21373454

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{4219}}^1$

素因数の和:4387

約数の個数: 16

約数和(自身を含む): 34182000

約数和(自身を除く): 12808546

約数列:

[1, 2, 17, 34, 149, 298, 2533, 4219, 5066, 8438, 71723, 143446, 628631, 1257262, 10686727, 21373454]

約数ペア:

[(1, 21373454), (2, 10686727), (17, 1257262), (34, 628631), (149, 143446), (298, 71723), (2533, 8438), (4219, 5066)]