21181368

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2341}}^1$

素因数の和:2392

約数の個数: 64

約数和(自身を含む): 59018400

約数和(自身を除く): 37837032

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 29, 39, 52, 58, 78, 87, 104, 116, 156, 174, 232, 312, 348, 377, 696, 754, 1131, 1508, 2262, 2341, 3016, 4524, 4682, 7023, 9048, 9364, 14046, 18728, 28092, 30433, 56184, 60866, 67889, 91299, 121732, 135778, 182598, 203667, 243464, 271556, 365196, 407334, 543112, 730392, 814668, 882557, 1629336, 1765114, 2647671, 3530228, 5295342, 7060456, 10590684, 21181368]

約数ペア:

[(1, 21181368), (2, 10590684), (3, 7060456), (4, 5295342), (6, 3530228), (8, 2647671), (12, 1765114), (13, 1629336), (24, 882557), (26, 814668), (29, 730392), (39, 543112), (52, 407334), (58, 365196), (78, 271556), (87, 243464), (104, 203667), (116, 182598), (156, 135778), (174, 121732), (232, 91299), (312, 67889), (348, 60866), (377, 56184), (696, 30433), (754, 28092), (1131, 18728), (1508, 14046), (2262, 9364), (2341, 9048), (3016, 7023), (4524, 4682)]