20211002450

素因数分解:

$2^1\times 5^2\times {\mathrm{97}}^2\times {\mathrm{42961}}^1$

素因数の和:43167

約数の個数: 36

約数和(自身を含む): 37984895262

約数和(自身を除く): 17773892812

約数列:

[1, 2, 5, 10, 25, 50, 97, 194, 485, 970, 2425, 4850, 9409, 18818, 42961, 47045, 85922, 94090, 214805, 235225, 429610, 470450, 1074025, 2148050, 4167217, 8334434, 20836085, 41672170, 104180425, 208360850, 404220049, 808440098, 2021100245, 4042200490, 10105501225, 20211002450]

約数ペア:

[(1, 20211002450), (2, 10105501225), (5, 4042200490), (10, 2021100245), (25, 808440098), (50, 404220049), (97, 208360850), (194, 104180425), (485, 41672170), (970, 20836085), (2425, 8334434), (4850, 4167217), (9409, 2148050), (18818, 1074025), (42961, 470450), (47045, 429610), (85922, 235225), (94090, 214805)]