2021084525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{857}}^1$

素因数の和:1094

約数の個数: 48

約数和(自身を含む): 2757680640

約数和(自身を除く): 736596115

約数列:

[1, 5, 17, 25, 31, 85, 155, 179, 425, 527, 775, 857, 895, 2635, 3043, 4285, 4475, 5549, 13175, 14569, 15215, 21425, 26567, 27745, 72845, 76075, 94333, 132835, 138725, 153403, 364225, 451639, 471665, 664175, 767015, 2258195, 2358325, 2607851, 3835075, 4755493, 11290975, 13039255, 23777465, 65196275, 80843381, 118887325, 404216905, 2021084525]

約数ペア:

[(1, 2021084525), (5, 404216905), (17, 118887325), (25, 80843381), (31, 65196275), (85, 23777465), (155, 13039255), (179, 11290975), (425, 4755493), (527, 3835075), (775, 2607851), (857, 2358325), (895, 2258195), (2635, 767015), (3043, 664175), (4285, 471665), (4475, 451639), (5549, 364225), (13175, 153403), (14569, 138725), (15215, 132835), (21425, 94333), (26567, 76075), (27745, 72845)]