21366420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6719}}^1$

素因数の和:6784

約数の個数: 48

約数和(自身を含む): 60963840

約数和(自身を除く): 39597420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 3180, 6719, 13438, 20157, 26876, 33595, 40314, 67190, 80628, 100785, 134380, 201570, 356107, 403140, 712214, 1068321, 1424428, 1780535, 2136642, 3561070, 4273284, 5341605, 7122140, 10683210, 21366420]

約数ペア:

[(1, 21366420), (2, 10683210), (3, 7122140), (4, 5341605), (5, 4273284), (6, 3561070), (10, 2136642), (12, 1780535), (15, 1424428), (20, 1068321), (30, 712214), (53, 403140), (60, 356107), (106, 201570), (159, 134380), (212, 100785), (265, 80628), (318, 67190), (530, 40314), (636, 33595), (795, 26876), (1060, 20157), (1590, 13438), (3180, 6719)]