21500760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{179173}}^1$

素因数の和:179187

約数の個数: 32

約数和(自身を含む): 64502640

約数和(自身を除く): 43001880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 179173, 358346, 537519, 716692, 895865, 1075038, 1433384, 1791730, 2150076, 2687595, 3583460, 4300152, 5375190, 7166920, 10750380, 21500760]

約数ペア:

[(1, 21500760), (2, 10750380), (3, 7166920), (4, 5375190), (5, 4300152), (6, 3583460), (8, 2687595), (10, 2150076), (12, 1791730), (15, 1433384), (20, 1075038), (24, 895865), (30, 716692), (40, 537519), (60, 358346), (120, 179173)]