21842873

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{383}}^1$

素因数の和:544

約数の個数: 16

約数和(自身を含む): 24385536

約数和(自身を除く): 2542663

約数列:

[1, 13, 41, 107, 383, 533, 1391, 4387, 4979, 15703, 40981, 57031, 204139, 532753, 1680221, 21842873]

約数ペア:

[(1, 21842873), (13, 1680221), (41, 532753), (107, 204139), (383, 57031), (533, 40981), (1391, 15703), (4387, 4979)]