21791822

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1423}}^1$

素因数の和:1488

約数の個数: 32

約数和(自身を含む): 38277120

約数和(自身を除く): 16485298

約数列:

[1, 2, 13, 19, 26, 31, 38, 62, 247, 403, 494, 589, 806, 1178, 1423, 2846, 7657, 15314, 18499, 27037, 36998, 44113, 54074, 88226, 351481, 573469, 702962, 838147, 1146938, 1676294, 10895911, 21791822]

約数ペア:

[(1, 21791822), (2, 10895911), (13, 1676294), (19, 1146938), (26, 838147), (31, 702962), (38, 573469), (62, 351481), (247, 88226), (403, 54074), (494, 44113), (589, 36998), (806, 27037), (1178, 18499), (1423, 15314), (2846, 7657)]