21150960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{88129}}^1$

素因数の和:88145

約数の個数: 40

約数和(自身を含む): 65568720

約数和(自身を除く): 44417760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 88129, 176258, 264387, 352516, 440645, 528774, 705032, 881290, 1057548, 1321935, 1410064, 1762580, 2115096, 2643870, 3525160, 4230192, 5287740, 7050320, 10575480, 21150960]

約数ペア:

[(1, 21150960), (2, 10575480), (3, 7050320), (4, 5287740), (5, 4230192), (6, 3525160), (8, 2643870), (10, 2115096), (12, 1762580), (15, 1410064), (16, 1321935), (20, 1057548), (24, 881290), (30, 705032), (40, 528774), (48, 440645), (60, 352516), (80, 264387), (120, 176258), (240, 88129)]