21244794

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{179}}^1$

素因数の和:466

約数の個数: 32

約数和(自身を含む): 43338240

約数和(自身を除く): 22093446

約数列:

[1, 2, 3, 6, 131, 151, 179, 262, 302, 358, 393, 453, 537, 786, 906, 1074, 19781, 23449, 27029, 39562, 46898, 54058, 59343, 70347, 81087, 118686, 140694, 162174, 3540799, 7081598, 10622397, 21244794]

約数ペア:

[(1, 21244794), (2, 10622397), (3, 7081598), (6, 3540799), (131, 162174), (151, 140694), (179, 118686), (262, 81087), (302, 70347), (358, 59343), (393, 54058), (453, 46898), (537, 39562), (786, 27029), (906, 23449), (1074, 19781)]