21276240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{88651}}^1$

素因数の和:88667

約数の個数: 40

約数和(自身を含む): 65957088

約数和(自身を除く): 44680848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 88651, 177302, 265953, 354604, 443255, 531906, 709208, 886510, 1063812, 1329765, 1418416, 1773020, 2127624, 2659530, 3546040, 4255248, 5319060, 7092080, 10638120, 21276240]

約数ペア:

[(1, 21276240), (2, 10638120), (3, 7092080), (4, 5319060), (5, 4255248), (6, 3546040), (8, 2659530), (10, 2127624), (12, 1773020), (15, 1418416), (16, 1329765), (20, 1063812), (24, 886510), (30, 709208), (40, 531906), (48, 443255), (60, 354604), (80, 265953), (120, 177302), (240, 88651)]