21450286

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{419}}^1$

素因数の和:624

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 16652114

約数列:

[1, 2, 11, 13, 22, 26, 143, 179, 286, 358, 419, 838, 1969, 2327, 3938, 4609, 4654, 5447, 9218, 10894, 25597, 51194, 59917, 75001, 119834, 150002, 825011, 975013, 1650022, 1950026, 10725143, 21450286]

約数ペア:

[(1, 21450286), (2, 10725143), (11, 1950026), (13, 1650022), (22, 975013), (26, 825011), (143, 150002), (179, 119834), (286, 75001), (358, 59917), (419, 51194), (838, 25597), (1969, 10894), (2327, 9218), (3938, 5447), (4609, 4654)]