21495221769

素因数分解:

$3^1\times 7^1\times {\mathrm{1619}}^1\times {\mathrm{632231}}^1$

素因数の和:633860

約数の個数: 16

約数和(自身を含む): 32774906880

約数和(自身を除く): 11279685111

約数列:

[1, 3, 7, 21, 1619, 4857, 11333, 33999, 632231, 1896693, 4425617, 13276851, 1023581989, 3070745967, 7165073923, 21495221769]

約数ペア:

[(1, 21495221769), (3, 7165073923), (7, 3070745967), (21, 1023581989), (1619, 13276851), (4857, 4425617), (11333, 1896693), (33999, 632231)]