21507714

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{17317}}^1$

素因数の和:17351

約数の個数: 32

約数和(自身を含む): 49875840

約数和(自身を除く): 28368126

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 17317, 34634, 51951, 103902, 155853, 311706, 398291, 467559, 796582, 935118, 1194873, 2389746, 3584619, 7169238, 10753857, 21507714]

約数ペア:

[(1, 21507714), (2, 10753857), (3, 7169238), (6, 3584619), (9, 2389746), (18, 1194873), (23, 935118), (27, 796582), (46, 467559), (54, 398291), (69, 311706), (138, 155853), (207, 103902), (414, 51951), (621, 34634), (1242, 17317)]