21286800004

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{14897}}^1\times {\mathrm{8713}}^1$

素因数の和:23655

約数の個数: 24

約数和(自身を含む): 38167424568

約数和(自身を除く): 16880624564

約数列:

[1, 2, 4, 41, 82, 164, 8713, 14897, 17426, 29794, 34852, 59588, 357233, 610777, 714466, 1221554, 1428932, 2443108, 129797561, 259595122, 519190244, 5321700001, 10643400002, 21286800004]

約数ペア:

[(1, 21286800004), (2, 10643400002), (4, 5321700001), (41, 519190244), (82, 259595122), (164, 129797561), (8713, 2443108), (14897, 1428932), (17426, 1221554), (29794, 714466), (34852, 610777), (59588, 357233)]