21419010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{719}}^1$

素因数の和:1063

約数の個数: 48

約数和(自身を含む): 55935360

約数和(自身を除く): 34516350

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 331, 662, 719, 993, 1438, 1655, 1986, 2157, 2979, 3310, 3595, 4314, 4965, 5958, 6471, 7190, 9930, 10785, 12942, 14895, 21570, 29790, 32355, 64710, 237989, 475978, 713967, 1189945, 1427934, 2141901, 2379890, 3569835, 4283802, 7139670, 10709505, 21419010]

約数ペア:

[(1, 21419010), (2, 10709505), (3, 7139670), (5, 4283802), (6, 3569835), (9, 2379890), (10, 2141901), (15, 1427934), (18, 1189945), (30, 713967), (45, 475978), (90, 237989), (331, 64710), (662, 32355), (719, 29790), (993, 21570), (1438, 14895), (1655, 12942), (1986, 10785), (2157, 9930), (2979, 7190), (3310, 6471), (3595, 5958), (4314, 4965)]