21268830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{64451}}^1$

素因数の和:64472

約数の個数: 32

約数和(自身を含む): 55686528

約数和(自身を除く): 34417698

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 64451, 128902, 193353, 322255, 386706, 644510, 708961, 966765, 1417922, 1933530, 2126883, 3544805, 4253766, 7089610, 10634415, 21268830]

約数ペア:

[(1, 21268830), (2, 10634415), (3, 7089610), (5, 4253766), (6, 3544805), (10, 2126883), (11, 1933530), (15, 1417922), (22, 966765), (30, 708961), (33, 644510), (55, 386706), (66, 322255), (110, 193353), (165, 128902), (330, 64451)]