21067680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43891}}^1$

素因数の和:43909

約数の個数: 48

約数和(自身を含む): 66364704

約数和(自身を除く): 45297024

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 43891, 87782, 131673, 175564, 219455, 263346, 351128, 438910, 526692, 658365, 702256, 877820, 1053384, 1316730, 1404512, 1755640, 2106768, 2633460, 3511280, 4213536, 5266920, 7022560, 10533840, 21067680]

約数ペア:

[(1, 21067680), (2, 10533840), (3, 7022560), (4, 5266920), (5, 4213536), (6, 3511280), (8, 2633460), (10, 2106768), (12, 1755640), (15, 1404512), (16, 1316730), (20, 1053384), (24, 877820), (30, 702256), (32, 658365), (40, 526692), (48, 438910), (60, 351128), (80, 263346), (96, 219455), (120, 175564), (160, 131673), (240, 87782), (480, 43891)]