21148250

素因数分解:

$2^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{2917}}^1$

素因数の和:2963

約数の個数: 32

約数和(自身を含む): 40968720

約数和(自身を除く): 19820470

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 125, 145, 250, 290, 725, 1450, 2917, 3625, 5834, 7250, 14585, 29170, 72925, 84593, 145850, 169186, 364625, 422965, 729250, 845930, 2114825, 4229650, 10574125, 21148250]

約数ペア:

[(1, 21148250), (2, 10574125), (5, 4229650), (10, 2114825), (25, 845930), (29, 729250), (50, 422965), (58, 364625), (125, 169186), (145, 145850), (250, 84593), (290, 72925), (725, 29170), (1450, 14585), (2917, 7250), (3625, 5834)]