21177463100

素因数分解:

$2^2\times 5^2\times {\mathrm{151}}^1\times {\mathrm{157}}^1\times {\mathrm{8933}}^1$

素因数の和:9255

約数の個数: 72

約数和(自身を含む): 46559290848

約数和(自身を除く): 25381827748

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 151, 157, 302, 314, 604, 628, 755, 785, 1510, 1570, 3020, 3140, 3775, 3925, 7550, 7850, 8933, 15100, 15700, 17866, 23707, 35732, 44665, 47414, 89330, 94828, 118535, 178660, 223325, 237070, 446650, 474140, 592675, 893300, 1185350, 1348883, 1402481, 2370700, 2697766, 2804962, 5395532, 5609924, 6744415, 7012405, 13488830, 14024810, 26977660, 28049620, 33722075, 35062025, 67444150, 70124050, 134888300, 140248100, 211774631, 423549262, 847098524, 1058873155, 2117746310, 4235492620, 5294365775, 10588731550, 21177463100]

約数ペア:

[(1, 21177463100), (2, 10588731550), (4, 5294365775), (5, 4235492620), (10, 2117746310), (20, 1058873155), (25, 847098524), (50, 423549262), (100, 211774631), (151, 140248100), (157, 134888300), (302, 70124050), (314, 67444150), (604, 35062025), (628, 33722075), (755, 28049620), (785, 26977660), (1510, 14024810), (1570, 13488830), (3020, 7012405), (3140, 6744415), (3775, 5609924), (3925, 5395532), (7550, 2804962), (7850, 2697766), (8933, 2370700), (15100, 1402481), (15700, 1348883), (17866, 1185350), (23707, 893300), (35732, 592675), (44665, 474140), (47414, 446650), (89330, 237070), (94828, 223325), (118535, 178660)]