21511224

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1$

素因数の和:410

約数の個数: 128

約数和(自身を含む): 70156800

約数和(自身を除く): 48645576

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 41, 42, 54, 56, 63, 72, 82, 84, 108, 123, 126, 164, 168, 189, 216, 246, 252, 287, 328, 347, 369, 378, 492, 504, 574, 694, 738, 756, 861, 984, 1041, 1107, 1148, 1388, 1476, 1512, 1722, 2082, 2214, 2296, 2429, 2583, 2776, 2952, 3123, 3444, 4164, 4428, 4858, 5166, 6246, 6888, 7287, 7749, 8328, 8856, 9369, 9716, 10332, 12492, 14227, 14574, 15498, 18738, 19432, 20664, 21861, 24984, 28454, 29148, 30996, 37476, 42681, 43722, 56908, 58296, 61992, 65583, 74952, 85362, 87444, 99589, 113816, 128043, 131166, 170724, 174888, 199178, 256086, 262332, 298767, 341448, 384129, 398356, 512172, 524664, 597534, 768258, 796712, 896301, 1024344, 1195068, 1536516, 1792602, 2390136, 2688903, 3073032, 3585204, 5377806, 7170408, 10755612, 21511224]

約数ペア:

[(1, 21511224), (2, 10755612), (3, 7170408), (4, 5377806), (6, 3585204), (7, 3073032), (8, 2688903), (9, 2390136), (12, 1792602), (14, 1536516), (18, 1195068), (21, 1024344), (24, 896301), (27, 796712), (28, 768258), (36, 597534), (41, 524664), (42, 512172), (54, 398356), (56, 384129), (63, 341448), (72, 298767), (82, 262332), (84, 256086), (108, 199178), (123, 174888), (126, 170724), (164, 131166), (168, 128043), (189, 113816), (216, 99589), (246, 87444), (252, 85362), (287, 74952), (328, 65583), (347, 61992), (369, 58296), (378, 56908), (492, 43722), (504, 42681), (574, 37476), (694, 30996), (738, 29148), (756, 28454), (861, 24984), (984, 21861), (1041, 20664), (1107, 19432), (1148, 18738), (1388, 15498), (1476, 14574), (1512, 14227), (1722, 12492), (2082, 10332), (2214, 9716), (2296, 9369), (2429, 8856), (2583, 8328), (2776, 7749), (2952, 7287), (3123, 6888), (3444, 6246), (4164, 5166), (4428, 4858)]