21352980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32353}}^1$

素因数の和:32376

約数の個数: 48

約数和(自身を含む): 65225664

約数和(自身を除く): 43872684

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 32353, 64706, 97059, 129412, 161765, 194118, 323530, 355883, 388236, 485295, 647060, 711766, 970590, 1067649, 1423532, 1779415, 1941180, 2135298, 3558830, 4270596, 5338245, 7117660, 10676490, 21352980]

約数ペア:

[(1, 21352980), (2, 10676490), (3, 7117660), (4, 5338245), (5, 4270596), (6, 3558830), (10, 2135298), (11, 1941180), (12, 1779415), (15, 1423532), (20, 1067649), (22, 970590), (30, 711766), (33, 647060), (44, 485295), (55, 388236), (60, 355883), (66, 323530), (110, 194118), (132, 161765), (165, 129412), (220, 97059), (330, 64706), (660, 32353)]