21508775550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{311}}^1\times {\mathrm{153689}}^1$

素因数の和:154018

約数の個数: 72

約数和(自身を含む): 57973097520

約数和(自身を除く): 36464321970

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 311, 450, 622, 933, 1555, 1866, 2799, 3110, 4665, 5598, 7775, 9330, 13995, 15550, 23325, 27990, 46650, 69975, 139950, 153689, 307378, 461067, 768445, 922134, 1383201, 1536890, 2305335, 2766402, 3842225, 4610670, 6916005, 7684450, 11526675, 13832010, 23053350, 34580025, 47797279, 69160050, 95594558, 143391837, 238986395, 286783674, 430175511, 477972790, 716959185, 860351022, 1194931975, 1433918370, 2150877555, 2389863950, 3584795925, 4301755110, 7169591850, 10754387775, 21508775550]

約数ペア:

[(1, 21508775550), (2, 10754387775), (3, 7169591850), (5, 4301755110), (6, 3584795925), (9, 2389863950), (10, 2150877555), (15, 1433918370), (18, 1194931975), (25, 860351022), (30, 716959185), (45, 477972790), (50, 430175511), (75, 286783674), (90, 238986395), (150, 143391837), (225, 95594558), (311, 69160050), (450, 47797279), (622, 34580025), (933, 23053350), (1555, 13832010), (1866, 11526675), (2799, 7684450), (3110, 6916005), (4665, 4610670), (5598, 3842225), (7775, 2766402), (9330, 2305335), (13995, 1536890), (15550, 1383201), (23325, 922134), (27990, 768445), (46650, 461067), (69975, 307378), (139950, 153689)]