21105468

素因数分解:

$2^2\times 3^3\times {\mathrm{73}}^1\times {\mathrm{2677}}^1$

素因数の和:2763

約数の個数: 48

約数和(自身を含む): 55488160

約数和(自身を除く): 34382692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 73, 108, 146, 219, 292, 438, 657, 876, 1314, 1971, 2628, 2677, 3942, 5354, 7884, 8031, 10708, 16062, 24093, 32124, 48186, 72279, 96372, 144558, 195421, 289116, 390842, 586263, 781684, 1172526, 1758789, 2345052, 3517578, 5276367, 7035156, 10552734, 21105468]

約数ペア:

[(1, 21105468), (2, 10552734), (3, 7035156), (4, 5276367), (6, 3517578), (9, 2345052), (12, 1758789), (18, 1172526), (27, 781684), (36, 586263), (54, 390842), (73, 289116), (108, 195421), (146, 144558), (219, 96372), (292, 72279), (438, 48186), (657, 32124), (876, 24093), (1314, 16062), (1971, 10708), (2628, 8031), (2677, 7884), (3942, 5354)]