21201360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{88339}}^1$

素因数の和:88355

約数の個数: 40

約数和(自身を含む): 65724960

約数和(自身を除く): 44523600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 88339, 176678, 265017, 353356, 441695, 530034, 706712, 883390, 1060068, 1325085, 1413424, 1766780, 2120136, 2650170, 3533560, 4240272, 5300340, 7067120, 10600680, 21201360]

約数ペア:

[(1, 21201360), (2, 10600680), (3, 7067120), (4, 5300340), (5, 4240272), (6, 3533560), (8, 2650170), (10, 2120136), (12, 1766780), (15, 1413424), (16, 1325085), (20, 1060068), (24, 883390), (30, 706712), (40, 530034), (48, 441695), (60, 353356), (80, 265017), (120, 176678), (240, 88339)]