21221021520

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{601}}^1\times {\mathrm{5449}}^1$

素因数の和:6075

約数の個数: 200

約数和(自身を含む): 73839935400

約数和(自身を除く): 52618913880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 601, 648, 720, 810, 1080, 1202, 1296, 1620, 1803, 2160, 2404, 3005, 3240, 3606, 4808, 5409, 5449, 6010, 6480, 7212, 9015, 9616, 10818, 10898, 12020, 14424, 16227, 16347, 18030, 21636, 21796, 24040, 27045, 27245, 28848, 32454, 32694, 36060, 43272, 43592, 48080, 48681, 49041, 54090, 54490, 64908, 65388, 72120, 81135, 81735, 86544, 87184, 97362, 98082, 108180, 108980, 129816, 130776, 144240, 147123, 162270, 163470, 194724, 196164, 216360, 217960, 243405, 245205, 259632, 261552, 294246, 324540, 326940, 389448, 392328, 432720, 435920, 441369, 486810, 490410, 588492, 649080, 653880, 735615, 778896, 784656, 882738, 973620, 980820, 1176984, 1298160, 1307760, 1471230, 1765476, 1947240, 1961640, 2206845, 2353968, 2942460, 3274849, 3530952, 3894480, 3923280, 4413690, 5884920, 6549698, 7061904, 8827380, 9824547, 11769840, 13099396, 16374245, 17654760, 19649094, 26198792, 29473641, 32748490, 35309520, 39298188, 49122735, 52397584, 58947282, 65496980, 78596376, 88420923, 98245470, 117894564, 130993960, 147368205, 157192752, 176841846, 196490940, 235789128, 261987920, 265262769, 294736410, 353683692, 392981880, 442104615, 471578256, 530525538, 589472820, 707367384, 785963760, 884209230, 1061051076, 1178945640, 1326313845, 1414734768, 1768418460, 2122102152, 2357891280, 2652627690, 3536836920, 4244204304, 5305255380, 7073673840, 10610510760, 21221021520]

約数ペア:

[(1, 21221021520), (2, 10610510760), (3, 7073673840), (4, 5305255380), (5, 4244204304), (6, 3536836920), (8, 2652627690), (9, 2357891280), (10, 2122102152), (12, 1768418460), (15, 1414734768), (16, 1326313845), (18, 1178945640), (20, 1061051076), (24, 884209230), (27, 785963760), (30, 707367384), (36, 589472820), (40, 530525538), (45, 471578256), (48, 442104615), (54, 392981880), (60, 353683692), (72, 294736410), (80, 265262769), (81, 261987920), (90, 235789128), (108, 196490940), (120, 176841846), (135, 157192752), (144, 147368205), (162, 130993960), (180, 117894564), (216, 98245470), (240, 88420923), (270, 78596376), (324, 65496980), (360, 58947282), (405, 52397584), (432, 49122735), (540, 39298188), (601, 35309520), (648, 32748490), (720, 29473641), (810, 26198792), (1080, 19649094), (1202, 17654760), (1296, 16374245), (1620, 13099396), (1803, 11769840), (2160, 9824547), (2404, 8827380), (3005, 7061904), (3240, 6549698), (3606, 5884920), (4808, 4413690), (5409, 3923280), (5449, 3894480), (6010, 3530952), (6480, 3274849), (7212, 2942460), (9015, 2353968), (9616, 2206845), (10818, 1961640), (10898, 1947240), (12020, 1765476), (14424, 1471230), (16227, 1307760), (16347, 1298160), (18030, 1176984), (21636, 980820), (21796, 973620), (24040, 882738), (27045, 784656), (27245, 778896), (28848, 735615), (32454, 653880), (32694, 649080), (36060, 588492), (43272, 490410), (43592, 486810), (48080, 441369), (48681, 435920), (49041, 432720), (54090, 392328), (54490, 389448), (64908, 326940), (65388, 324540), (72120, 294246), (81135, 261552), (81735, 259632), (86544, 245205), (87184, 243405), (97362, 217960), (98082, 216360), (108180, 196164), (108980, 194724), (129816, 163470), (130776, 162270), (144240, 147123)]