21316848

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{63443}}^1$

素因数の和:63461

約数の個数: 40

約数和(自身を含む): 62936448

約数和(自身を除く): 41619600

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 63443, 126886, 190329, 253772, 380658, 444101, 507544, 761316, 888202, 1015088, 1332303, 1522632, 1776404, 2664606, 3045264, 3552808, 5329212, 7105616, 10658424, 21316848]

約数ペア:

[(1, 21316848), (2, 10658424), (3, 7105616), (4, 5329212), (6, 3552808), (7, 3045264), (8, 2664606), (12, 1776404), (14, 1522632), (16, 1332303), (21, 1015088), (24, 888202), (28, 761316), (42, 507544), (48, 444101), (56, 380658), (84, 253772), (112, 190329), (168, 126886), (336, 63443)]