211421644

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{66821}}^1$

素因数の和:66945

約数の個数: 24

約数和(自身を含む): 426591648

約数和(自身を除く): 215170004

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 66821, 133642, 267284, 467747, 935494, 1870988, 7550773, 15101546, 30203092, 52855411, 105710822, 211421644]

約数ペア:

[(1, 211421644), (2, 105710822), (4, 52855411), (7, 30203092), (14, 15101546), (28, 7550773), (113, 1870988), (226, 935494), (452, 467747), (791, 267284), (1582, 133642), (3164, 66821)]