21202680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1621}}^1$

素因数の和:1744

約数の個数: 64

約数和(自身を含む): 64231200

約数和(自身を除く): 43028520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 109, 120, 218, 327, 436, 545, 654, 872, 1090, 1308, 1621, 1635, 2180, 2616, 3242, 3270, 4360, 4863, 6484, 6540, 8105, 9726, 12968, 13080, 16210, 19452, 24315, 32420, 38904, 48630, 64840, 97260, 176689, 194520, 353378, 530067, 706756, 883445, 1060134, 1413512, 1766890, 2120268, 2650335, 3533780, 4240536, 5300670, 7067560, 10601340, 21202680]

約数ペア:

[(1, 21202680), (2, 10601340), (3, 7067560), (4, 5300670), (5, 4240536), (6, 3533780), (8, 2650335), (10, 2120268), (12, 1766890), (15, 1413512), (20, 1060134), (24, 883445), (30, 706756), (40, 530067), (60, 353378), (109, 194520), (120, 176689), (218, 97260), (327, 64840), (436, 48630), (545, 38904), (654, 32420), (872, 24315), (1090, 19452), (1308, 16210), (1621, 13080), (1635, 12968), (2180, 9726), (2616, 8105), (3242, 6540), (3270, 6484), (4360, 4863)]