21344973

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{1429}}^1$

素因数の和:1828

約数の個数: 16

約数和(自身を含む): 30750720

約数和(自身を除く): 9405747

約数列:

[1, 3, 13, 39, 383, 1149, 1429, 4287, 4979, 14937, 18577, 55731, 547307, 1641921, 7114991, 21344973]

約数ペア:

[(1, 21344973), (3, 7114991), (13, 1641921), (39, 547307), (383, 55731), (1149, 18577), (1429, 14937), (4287, 4979)]