21385920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{22277}}^1$

素因数の和:22297

約数の個数: 56

約数和(自身を含む): 67903344

約数和(自身を除く): 46517424

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 22277, 44554, 66831, 89108, 111385, 133662, 178216, 222770, 267324, 334155, 356432, 445540, 534648, 668310, 712864, 891080, 1069296, 1336620, 1425728, 1782160, 2138592, 2673240, 3564320, 4277184, 5346480, 7128640, 10692960, 21385920]

約数ペア:

[(1, 21385920), (2, 10692960), (3, 7128640), (4, 5346480), (5, 4277184), (6, 3564320), (8, 2673240), (10, 2138592), (12, 1782160), (15, 1425728), (16, 1336620), (20, 1069296), (24, 891080), (30, 712864), (32, 668310), (40, 534648), (48, 445540), (60, 356432), (64, 334155), (80, 267324), (96, 222770), (120, 178216), (160, 133662), (192, 111385), (240, 89108), (320, 66831), (480, 44554), (960, 22277)]