21377226

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1229}}^1$

素因数の和:1470

約数の個数: 32

約数和(自身を含む): 46287360

約数和(自身を除く): 24910134

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 223, 446, 669, 1229, 1338, 2458, 2899, 3687, 5798, 7374, 8697, 15977, 17394, 31954, 47931, 95862, 274067, 548134, 822201, 1644402, 3562871, 7125742, 10688613, 21377226]

約数ペア:

[(1, 21377226), (2, 10688613), (3, 7125742), (6, 3562871), (13, 1644402), (26, 822201), (39, 548134), (78, 274067), (223, 95862), (446, 47931), (669, 31954), (1229, 17394), (1338, 15977), (2458, 8697), (2899, 7374), (3687, 5798)]