21855444

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4831}}^1$

素因数の和:4880

約数の個数: 48

約数和(自身を含む): 56824320

約数和(自身を除く): 34968876

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 52, 58, 78, 87, 116, 156, 174, 348, 377, 754, 1131, 1508, 2262, 4524, 4831, 9662, 14493, 19324, 28986, 57972, 62803, 125606, 140099, 188409, 251212, 280198, 376818, 420297, 560396, 753636, 840594, 1681188, 1821287, 3642574, 5463861, 7285148, 10927722, 21855444]

約数ペア:

[(1, 21855444), (2, 10927722), (3, 7285148), (4, 5463861), (6, 3642574), (12, 1821287), (13, 1681188), (26, 840594), (29, 753636), (39, 560396), (52, 420297), (58, 376818), (78, 280198), (87, 251212), (116, 188409), (156, 140099), (174, 125606), (348, 62803), (377, 57972), (754, 28986), (1131, 19324), (1508, 14493), (2262, 9662), (4524, 4831)]