21073250.000000000

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{727}}^1$

素因数の和:770

約数の個数: 180

約数和(自身を含む): 344071728

約数和(自身を除く): 243963828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 27, 30, 34, 36, 45, 50, 51, 54, 60, 68, 75, 81, 85, 90, 100, 102, 108, 135, 150, 153, 162, 170, 180, 204, 225, 255, 270, 300, 306, 324, 340, 405, 425, 450, 459, 510, 540, 612, 675, 727, 765, 810, 850, 900, 918, 1020, 1275, 1350, 1377, 1454, 1530, 1620, 1700, 1836, 2025, 2181, 2295, 2550, 2700, 2754, 2908, 3060, 3635, 3825, 4050, 4362, 4590, 5100, 5508, 6543, 6885, 7270, 7650, 8100, 8724, 9180, 10905, 11475, 12359, 13086, 13770, 14540, 15300, 18175, 19629, 21810, 22950, 24718, 26172, 27540, 32715, 34425, 36350, 37077, 39258, 43620, 45900, 49436, 54525, 58887, 61795, 65430, 68850, 72700, 74154, 78516, 98145, 109050, 111231, 117774, 123590, 130860, 137700, 148308, 163575, 185385, 196290, 218100, 222462, 235548, 247180, 294435, 308975, 327150, 333693, 370770, 392580, 444924, 490725, 556155, 588870, 617950, 654300, 667386, 741540, 926925, 981450, 1001079, 1112310, 1177740, 1235900, 1334772, 1472175, 1668465, 1853850, 1962900, 2002158, 2224620, 2780775, 2944350, 3336930, 3707700, 4004316, 5005395, 5561550, 5888700, 6673860, 8342325, 10010790, 11123100, 16684650, 20021580, 25026975, 33369300, 50053950, 100107900]

約数ペア:

[(1, 100107900), (2, 50053950), (3, 33369300), (4, 25026975), (5, 20021580), (6, 16684650), (9, 11123100), (10, 10010790), (12, 8342325), (15, 6673860), (17, 5888700), (18, 5561550), (20, 5005395), (25, 4004316), (27, 3707700), (30, 3336930), (34, 2944350), (36, 2780775), (45, 2224620), (50, 2002158), (51, 1962900), (54, 1853850), (60, 1668465), (68, 1472175), (75, 1334772), (81, 1235900), (85, 1177740), (90, 1112310), (100, 1001079), (102, 981450), (108, 926925), (135, 741540), (150, 667386), (153, 654300), (162, 617950), (170, 588870), (180, 556155), (204, 490725), (225, 444924), (255, 392580), (270, 370770), (300, 333693), (306, 327150), (324, 308975), (340, 294435), (405, 247180), (425, 235548), (450, 222462), (459, 218100), (510, 196290), (540, 185385), (612, 163575), (675, 148308), (727, 137700), (765, 130860), (810, 123590), (850, 117774), (900, 111231), (918, 109050), (1020, 98145), (1275, 78516), (1350, 74154), (1377, 72700), (1454, 68850), (1530, 65430), (1620, 61795), (1700, 58887), (1836, 54525), (2025, 49436), (2181, 45900), (2295, 43620), (2550, 39258), (2700, 37077), (2754, 36350), (2908, 34425), (3060, 32715), (3635, 27540), (3825, 26172), (4050, 24718), (4362, 22950), (4590, 21810), (5100, 19629), (5508, 18175), (6543, 15300), (6885, 14540), (7270, 13770), (7650, 13086), (8100, 12359), (8724, 11475), (9180, 10905)]