21900720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{91253}}^1$

素因数の和:91269

約数の個数: 40

約数和(自身を含む): 67892976

約数和(自身を除く): 45992256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 91253, 182506, 273759, 365012, 456265, 547518, 730024, 912530, 1095036, 1368795, 1460048, 1825060, 2190072, 2737590, 3650120, 4380144, 5475180, 7300240, 10950360, 21900720]

約数ペア:

[(1, 21900720), (2, 10950360), (3, 7300240), (4, 5475180), (5, 4380144), (6, 3650120), (8, 2737590), (10, 2190072), (12, 1825060), (15, 1460048), (16, 1368795), (20, 1095036), (24, 912530), (30, 730024), (40, 547518), (48, 456265), (60, 365012), (80, 273759), (120, 182506), (240, 91253)]