21133947

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{3671}}^1$

素因数の和:3794

約数の個数: 16

約数和(自身を含む): 29963520

約数和(自身を除く): 8829573

約数列:

[1, 3, 19, 57, 101, 303, 1919, 3671, 5757, 11013, 69749, 209247, 370771, 1112313, 7044649, 21133947]

約数ペア:

[(1, 21133947), (3, 7044649), (19, 1112313), (57, 370771), (101, 209247), (303, 69749), (1919, 11013), (3671, 5757)]