21693720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{293}}^1\times {\mathrm{617}}^1$

素因数の和:924

約数の個数: 64

約数和(自身を含む): 65409120

約数和(自身を除く): 43715400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 293, 586, 617, 879, 1172, 1234, 1465, 1758, 1851, 2344, 2468, 2930, 3085, 3516, 3702, 4395, 4936, 5860, 6170, 7032, 7404, 8790, 9255, 11720, 12340, 14808, 17580, 18510, 24680, 35160, 37020, 74040, 180781, 361562, 542343, 723124, 903905, 1084686, 1446248, 1807810, 2169372, 2711715, 3615620, 4338744, 5423430, 7231240, 10846860, 21693720]

約数ペア:

[(1, 21693720), (2, 10846860), (3, 7231240), (4, 5423430), (5, 4338744), (6, 3615620), (8, 2711715), (10, 2169372), (12, 1807810), (15, 1446248), (20, 1084686), (24, 903905), (30, 723124), (40, 542343), (60, 361562), (120, 180781), (293, 74040), (586, 37020), (617, 35160), (879, 24680), (1172, 18510), (1234, 17580), (1465, 14808), (1758, 12340), (1851, 11720), (2344, 9255), (2468, 8790), (2930, 7404), (3085, 7032), (3516, 6170), (3702, 5860), (4395, 4936)]