21752666

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{463}}^1$

素因数の和:630

約数の個数: 24

約数和(自身を含む): 35663040

約数和(自身を除く): 13910374

約数列:

[1, 2, 13, 26, 139, 169, 278, 338, 463, 926, 1807, 3614, 6019, 12038, 23491, 46982, 64357, 78247, 128714, 156494, 836641, 1673282, 10876333, 21752666]

約数ペア:

[(1, 21752666), (2, 10876333), (13, 1673282), (26, 836641), (139, 156494), (169, 128714), (278, 78247), (338, 64357), (463, 46982), (926, 23491), (1807, 12038), (3614, 6019)]