21422640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89261}}^1$

素因数の和:89277

約数の個数: 40

約数和(自身を含む): 66410928

約数和(自身を除く): 44988288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 89261, 178522, 267783, 357044, 446305, 535566, 714088, 892610, 1071132, 1338915, 1428176, 1785220, 2142264, 2677830, 3570440, 4284528, 5355660, 7140880, 10711320, 21422640]

約数ペア:

[(1, 21422640), (2, 10711320), (3, 7140880), (4, 5355660), (5, 4284528), (6, 3570440), (8, 2677830), (10, 2142264), (12, 1785220), (15, 1428176), (16, 1338915), (20, 1071132), (24, 892610), (30, 714088), (40, 535566), (48, 446305), (60, 357044), (80, 267783), (120, 178522), (240, 89261)]