21276450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3637}}^1$

素因数の和:3668

約数の個数: 72

約数和(自身を含む): 61576788

約数和(自身を除く): 40300338

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 130, 150, 195, 225, 234, 325, 390, 450, 585, 650, 975, 1170, 1950, 2925, 3637, 5850, 7274, 10911, 18185, 21822, 32733, 36370, 47281, 54555, 65466, 90925, 94562, 109110, 141843, 163665, 181850, 236405, 272775, 283686, 327330, 425529, 472810, 545550, 709215, 818325, 851058, 1182025, 1418430, 1636650, 2127645, 2364050, 3546075, 4255290, 7092150, 10638225, 21276450]

約数ペア:

[(1, 21276450), (2, 10638225), (3, 7092150), (5, 4255290), (6, 3546075), (9, 2364050), (10, 2127645), (13, 1636650), (15, 1418430), (18, 1182025), (25, 851058), (26, 818325), (30, 709215), (39, 545550), (45, 472810), (50, 425529), (65, 327330), (75, 283686), (78, 272775), (90, 236405), (117, 181850), (130, 163665), (150, 141843), (195, 109110), (225, 94562), (234, 90925), (325, 65466), (390, 54555), (450, 47281), (585, 36370), (650, 32733), (975, 21822), (1170, 18185), (1950, 10911), (2925, 7274), (3637, 5850)]