21239184

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{11959}}^1$

素因数の和:12007

約数の個数: 40

約数和(自身を含む): 56355520

約数和(自身を除く): 35116336

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 444, 592, 888, 1776, 11959, 23918, 35877, 47836, 71754, 95672, 143508, 191344, 287016, 442483, 574032, 884966, 1327449, 1769932, 2654898, 3539864, 5309796, 7079728, 10619592, 21239184]

約数ペア:

[(1, 21239184), (2, 10619592), (3, 7079728), (4, 5309796), (6, 3539864), (8, 2654898), (12, 1769932), (16, 1327449), (24, 884966), (37, 574032), (48, 442483), (74, 287016), (111, 191344), (148, 143508), (222, 95672), (296, 71754), (444, 47836), (592, 35877), (888, 23918), (1776, 11959)]