21507852

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{523}}^1$

素因数の和:702

約数の個数: 48

約数和(自身を含む): 52819200

約数和(自身を除く): 31311348

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 149, 276, 298, 447, 523, 596, 894, 1046, 1569, 1788, 2092, 3138, 3427, 6276, 6854, 10281, 12029, 13708, 20562, 24058, 36087, 41124, 48116, 72174, 77927, 144348, 155854, 233781, 311708, 467562, 935124, 1792321, 3584642, 5376963, 7169284, 10753926, 21507852]

約数ペア:

[(1, 21507852), (2, 10753926), (3, 7169284), (4, 5376963), (6, 3584642), (12, 1792321), (23, 935124), (46, 467562), (69, 311708), (92, 233781), (138, 155854), (149, 144348), (276, 77927), (298, 72174), (447, 48116), (523, 41124), (596, 36087), (894, 24058), (1046, 20562), (1569, 13708), (1788, 12029), (2092, 10281), (3138, 6854), (3427, 6276)]