21570852

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2557}}^1$

素因数の和:2620

約数の個数: 48

約数和(自身を含む): 54434240

約数和(自身を除く): 32863388

約数列:

[1, 2, 3, 4, 6, 12, 19, 37, 38, 57, 74, 76, 111, 114, 148, 222, 228, 444, 703, 1406, 2109, 2557, 2812, 4218, 5114, 7671, 8436, 10228, 15342, 30684, 48583, 94609, 97166, 145749, 189218, 194332, 283827, 291498, 378436, 567654, 582996, 1135308, 1797571, 3595142, 5392713, 7190284, 10785426, 21570852]

約数ペア:

[(1, 21570852), (2, 10785426), (3, 7190284), (4, 5392713), (6, 3595142), (12, 1797571), (19, 1135308), (37, 582996), (38, 567654), (57, 378436), (74, 291498), (76, 283827), (111, 194332), (114, 189218), (148, 145749), (222, 97166), (228, 94609), (444, 48583), (703, 30684), (1406, 15342), (2109, 10228), (2557, 8436), (2812, 7671), (4218, 5114)]