21620326

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{563}}^1$

素因数の和:796

約数の個数: 32

約数和(自身を含む): 40174848

約数和(自身を除く): 18554522

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 211, 422, 563, 1126, 1477, 2743, 2954, 3941, 5486, 7319, 7882, 14638, 19201, 38402, 51233, 102466, 118793, 237586, 831551, 1544309, 1663102, 3088618, 10810163, 21620326]

約数ペア:

[(1, 21620326), (2, 10810163), (7, 3088618), (13, 1663102), (14, 1544309), (26, 831551), (91, 237586), (182, 118793), (211, 102466), (422, 51233), (563, 38402), (1126, 19201), (1477, 14638), (2743, 7882), (2954, 7319), (3941, 5486)]