21269490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{64453}}^1$

素因数の和:64474

約数の個数: 32

約数和(自身を含む): 55688256

約数和(自身を除く): 34418766

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 64453, 128906, 193359, 322265, 386718, 644530, 708983, 966795, 1417966, 1933590, 2126949, 3544915, 4253898, 7089830, 10634745, 21269490]

約数ペア:

[(1, 21269490), (2, 10634745), (3, 7089830), (5, 4253898), (6, 3544915), (10, 2126949), (11, 1933590), (15, 1417966), (22, 966795), (30, 708983), (33, 644530), (55, 386718), (66, 322265), (110, 193359), (165, 128906), (330, 64453)]