21035940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1531}}^1$

素因数の和:1772

約数の個数: 48

約数和(自身を含む): 59196480

約数和(自身を除く): 38160540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 229, 458, 687, 916, 1145, 1374, 1531, 2290, 2748, 3062, 3435, 4580, 4593, 6124, 6870, 7655, 9186, 13740, 15310, 18372, 22965, 30620, 45930, 91860, 350599, 701198, 1051797, 1402396, 1752995, 2103594, 3505990, 4207188, 5258985, 7011980, 10517970, 21035940]

約数ペア:

[(1, 21035940), (2, 10517970), (3, 7011980), (4, 5258985), (5, 4207188), (6, 3505990), (10, 2103594), (12, 1752995), (15, 1402396), (20, 1051797), (30, 701198), (60, 350599), (229, 91860), (458, 45930), (687, 30620), (916, 22965), (1145, 18372), (1374, 15310), (1531, 13740), (2290, 9186), (2748, 7655), (3062, 6870), (3435, 6124), (4580, 4593)]