21142966

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{13331}}^1$

素因数の和:13407

約数の個数: 16

約数和(自身を含む): 34716528

約数和(自身を除く): 13573562

約数列:

[1, 2, 13, 26, 61, 122, 793, 1586, 13331, 26662, 173303, 346606, 813191, 1626382, 10571483, 21142966]

約数ペア:

[(1, 21142966), (2, 10571483), (13, 1626382), (26, 813191), (61, 346606), (122, 173303), (793, 26662), (1586, 13331)]