2021154430

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{64553}}^1$

素因数の和:64692

約数の個数: 32

約数和(自身を含む): 3792676608

約数和(自身を除く): 1771522178

約数列:

[1, 2, 5, 10, 31, 62, 101, 155, 202, 310, 505, 1010, 3131, 6262, 15655, 31310, 64553, 129106, 322765, 645530, 2001143, 4002286, 6519853, 10005715, 13039706, 20011430, 32599265, 65198530, 202115443, 404230886, 1010577215, 2021154430]

約数ペア:

[(1, 2021154430), (2, 1010577215), (5, 404230886), (10, 202115443), (31, 65198530), (62, 32599265), (101, 20011430), (155, 13039706), (202, 10005715), (310, 6519853), (505, 4002286), (1010, 2001143), (3131, 645530), (6262, 322765), (15655, 129106), (31310, 64553)]