21685272

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4451}}^1$

素因数の和:4496

約数の個数: 64

約数和(自身を含む): 64108800

約数和(自身を除く): 42423528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 29, 42, 56, 58, 84, 87, 116, 168, 174, 203, 232, 348, 406, 609, 696, 812, 1218, 1624, 2436, 4451, 4872, 8902, 13353, 17804, 26706, 31157, 35608, 53412, 62314, 93471, 106824, 124628, 129079, 186942, 249256, 258158, 373884, 387237, 516316, 747768, 774474, 903553, 1032632, 1548948, 1807106, 2710659, 3097896, 3614212, 5421318, 7228424, 10842636, 21685272]

約数ペア:

[(1, 21685272), (2, 10842636), (3, 7228424), (4, 5421318), (6, 3614212), (7, 3097896), (8, 2710659), (12, 1807106), (14, 1548948), (21, 1032632), (24, 903553), (28, 774474), (29, 747768), (42, 516316), (56, 387237), (58, 373884), (84, 258158), (87, 249256), (116, 186942), (168, 129079), (174, 124628), (203, 106824), (232, 93471), (348, 62314), (406, 53412), (609, 35608), (696, 31157), (812, 26706), (1218, 17804), (1624, 13353), (2436, 8902), (4451, 4872)]