21032788

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{5483}}^1$

素因数の和:5631

約数の個数: 24

約数和(自身を含む): 42380352

約数和(自身を除く): 21347564

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 959, 1918, 3836, 5483, 10966, 21932, 38381, 76762, 153524, 751171, 1502342, 3004684, 5258197, 10516394, 21032788]

約数ペア:

[(1, 21032788), (2, 10516394), (4, 5258197), (7, 3004684), (14, 1502342), (28, 751171), (137, 153524), (274, 76762), (548, 38381), (959, 21932), (1918, 10966), (3836, 5483)]