21870228

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2281}}^1$

素因数の和:2352

約数の個数: 48

約数和(自身を含む): 55206144

約数和(自身を除く): 33335916

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 47, 51, 68, 94, 102, 141, 188, 204, 282, 564, 799, 1598, 2281, 2397, 3196, 4562, 4794, 6843, 9124, 9588, 13686, 27372, 38777, 77554, 107207, 116331, 155108, 214414, 232662, 321621, 428828, 465324, 643242, 1286484, 1822519, 3645038, 5467557, 7290076, 10935114, 21870228]

約数ペア:

[(1, 21870228), (2, 10935114), (3, 7290076), (4, 5467557), (6, 3645038), (12, 1822519), (17, 1286484), (34, 643242), (47, 465324), (51, 428828), (68, 321621), (94, 232662), (102, 214414), (141, 155108), (188, 116331), (204, 107207), (282, 77554), (564, 38777), (799, 27372), (1598, 13686), (2281, 9588), (2397, 9124), (3196, 6843), (4562, 4794)]