21835060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{613}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 49822416

約数和(自身を除く): 27987356

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 548, 613, 685, 1226, 1370, 1781, 2452, 2740, 3065, 3562, 6130, 7124, 7969, 8905, 12260, 15938, 17810, 31876, 35620, 39845, 79690, 83981, 159380, 167962, 335924, 419905, 839810, 1091753, 1679620, 2183506, 4367012, 5458765, 10917530, 21835060]

約数ペア:

[(1, 21835060), (2, 10917530), (4, 5458765), (5, 4367012), (10, 2183506), (13, 1679620), (20, 1091753), (26, 839810), (52, 419905), (65, 335924), (130, 167962), (137, 159380), (260, 83981), (274, 79690), (548, 39845), (613, 35620), (685, 31876), (1226, 17810), (1370, 15938), (1781, 12260), (2452, 8905), (2740, 7969), (3065, 7124), (3562, 6130)]