21294410

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{757}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 40113360

約数和(自身を除く): 18818950

約数列:

[1, 2, 5, 10, 29, 58, 97, 145, 194, 290, 485, 757, 970, 1514, 2813, 3785, 5626, 7570, 14065, 21953, 28130, 43906, 73429, 109765, 146858, 219530, 367145, 734290, 2129441, 4258882, 10647205, 21294410]

約数ペア:

[(1, 21294410), (2, 10647205), (5, 4258882), (10, 2129441), (29, 734290), (58, 367145), (97, 219530), (145, 146858), (194, 109765), (290, 73429), (485, 43906), (757, 28130), (970, 21953), (1514, 14065), (2813, 7570), (3785, 5626)]