21940410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13799}}^1$

素因数の和:13862

約数の個数: 32

約数和(自身を含む): 53654400

約数和(自身を除く): 31713990

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590, 13799, 27598, 41397, 68995, 82794, 137990, 206985, 413970, 731347, 1462694, 2194041, 3656735, 4388082, 7313470, 10970205, 21940410]

約数ペア:

[(1, 21940410), (2, 10970205), (3, 7313470), (5, 4388082), (6, 3656735), (10, 2194041), (15, 1462694), (30, 731347), (53, 413970), (106, 206985), (159, 137990), (265, 82794), (318, 68995), (530, 41397), (795, 27598), (1590, 13799)]