21702900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{991}}^1$

素因数の和:1081

約数の個数: 72

約数和(自身を含む): 63718144

約数和(自身を除く): 42015244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 73, 75, 100, 146, 150, 219, 292, 300, 365, 438, 730, 876, 991, 1095, 1460, 1825, 1982, 2190, 2973, 3650, 3964, 4380, 4955, 5475, 5946, 7300, 9910, 10950, 11892, 14865, 19820, 21900, 24775, 29730, 49550, 59460, 72343, 74325, 99100, 144686, 148650, 217029, 289372, 297300, 361715, 434058, 723430, 868116, 1085145, 1446860, 1808575, 2170290, 3617150, 4340580, 5425725, 7234300, 10851450, 21702900]

約数ペア:

[(1, 21702900), (2, 10851450), (3, 7234300), (4, 5425725), (5, 4340580), (6, 3617150), (10, 2170290), (12, 1808575), (15, 1446860), (20, 1085145), (25, 868116), (30, 723430), (50, 434058), (60, 361715), (73, 297300), (75, 289372), (100, 217029), (146, 148650), (150, 144686), (219, 99100), (292, 74325), (300, 72343), (365, 59460), (438, 49550), (730, 29730), (876, 24775), (991, 21900), (1095, 19820), (1460, 14865), (1825, 11892), (1982, 10950), (2190, 9910), (2973, 7300), (3650, 5946), (3964, 5475), (4380, 4955)]