21767640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{181397}}^1$

素因数の和:181411

約数の個数: 32

約数和(自身を含む): 65303280

約数和(自身を除く): 43535640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 181397, 362794, 544191, 725588, 906985, 1088382, 1451176, 1813970, 2176764, 2720955, 3627940, 4353528, 5441910, 7255880, 10883820, 21767640]

約数ペア:

[(1, 21767640), (2, 10883820), (3, 7255880), (4, 5441910), (5, 4353528), (6, 3627940), (8, 2720955), (10, 2176764), (12, 1813970), (15, 1451176), (20, 1088382), (24, 906985), (30, 725588), (40, 544191), (60, 362794), (120, 181397)]