21189360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{88289}}^1$

素因数の和:88305

約数の個数: 40

約数和(自身を含む): 65687760

約数和(自身を除く): 44498400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 88289, 176578, 264867, 353156, 441445, 529734, 706312, 882890, 1059468, 1324335, 1412624, 1765780, 2118936, 2648670, 3531560, 4237872, 5297340, 7063120, 10594680, 21189360]

約数ペア:

[(1, 21189360), (2, 10594680), (3, 7063120), (4, 5297340), (5, 4237872), (6, 3531560), (8, 2648670), (10, 2118936), (12, 1765780), (15, 1412624), (16, 1324335), (20, 1059468), (24, 882890), (30, 706312), (40, 529734), (48, 441445), (60, 353156), (80, 264867), (120, 176578), (240, 88289)]