21907680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{45641}}^1$

素因数の和:45659

約数の個数: 48

約数和(自身を含む): 69010704

約数和(自身を除く): 47103024

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, 45641, 91282, 136923, 182564, 228205, 273846, 365128, 456410, 547692, 684615, 730256, 912820, 1095384, 1369230, 1460512, 1825640, 2190768, 2738460, 3651280, 4381536, 5476920, 7302560, 10953840, 21907680]

約数ペア:

[(1, 21907680), (2, 10953840), (3, 7302560), (4, 5476920), (5, 4381536), (6, 3651280), (8, 2738460), (10, 2190768), (12, 1825640), (15, 1460512), (16, 1369230), (20, 1095384), (24, 912820), (30, 730256), (32, 684615), (40, 547692), (48, 456410), (60, 365128), (80, 273846), (96, 228205), (120, 182564), (160, 136923), (240, 91282), (480, 45641)]