21170708

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{1063}}^1$

素因数の和:1463

約数の個数: 24

約数和(自身を含む): 40040448

約数和(自身を除く): 18869740

約数列:

[1, 2, 4, 13, 26, 52, 383, 766, 1063, 1532, 2126, 4252, 4979, 9958, 13819, 19916, 27638, 55276, 407129, 814258, 1628516, 5292677, 10585354, 21170708]

約数ペア:

[(1, 21170708), (2, 10585354), (4, 5292677), (13, 1628516), (26, 814258), (52, 407129), (383, 55276), (766, 27638), (1063, 19916), (1532, 13819), (2126, 9958), (4252, 4979)]