21520152

素因数分解:

$2^3\times 3^2\times {\mathrm{257}}^1\times {\mathrm{1163}}^1$

素因数の和:1432

約数の個数: 48

約数和(自身を含む): 58560840

約数和(自身を除く): 37040688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 257, 514, 771, 1028, 1163, 1542, 2056, 2313, 2326, 3084, 3489, 4626, 4652, 6168, 6978, 9252, 9304, 10467, 13956, 18504, 20934, 27912, 41868, 83736, 298891, 597782, 896673, 1195564, 1793346, 2391128, 2690019, 3586692, 5380038, 7173384, 10760076, 21520152]

約数ペア:

[(1, 21520152), (2, 10760076), (3, 7173384), (4, 5380038), (6, 3586692), (8, 2690019), (9, 2391128), (12, 1793346), (18, 1195564), (24, 896673), (36, 597782), (72, 298891), (257, 83736), (514, 41868), (771, 27912), (1028, 20934), (1163, 18504), (1542, 13956), (2056, 10467), (2313, 9304), (2326, 9252), (3084, 6978), (3489, 6168), (4626, 4652)]