21657360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{90239}}^1$

素因数の和:90255

約数の個数: 40

約数和(自身を含む): 67138560

約数和(自身を除く): 45481200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 90239, 180478, 270717, 360956, 451195, 541434, 721912, 902390, 1082868, 1353585, 1443824, 1804780, 2165736, 2707170, 3609560, 4331472, 5414340, 7219120, 10828680, 21657360]

約数ペア:

[(1, 21657360), (2, 10828680), (3, 7219120), (4, 5414340), (5, 4331472), (6, 3609560), (8, 2707170), (10, 2165736), (12, 1804780), (15, 1443824), (16, 1353585), (20, 1082868), (24, 902390), (30, 721912), (40, 541434), (48, 451195), (60, 360956), (80, 270717), (120, 180478), (240, 90239)]