21113778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1789}}^1$

素因数の和:2082

約数の個数: 32

約数和(自身を含む): 48458880

約数和(自身を除く): 27345102

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 281, 562, 843, 1686, 1789, 1967, 3578, 3934, 5367, 5901, 10734, 11802, 12523, 25046, 37569, 75138, 502709, 1005418, 1508127, 3016254, 3518963, 7037926, 10556889, 21113778]

約数ペア:

[(1, 21113778), (2, 10556889), (3, 7037926), (6, 3518963), (7, 3016254), (14, 1508127), (21, 1005418), (42, 502709), (281, 75138), (562, 37569), (843, 25046), (1686, 12523), (1789, 11802), (1967, 10734), (3578, 5901), (3934, 5367)]