21664018

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{1013}}^1$

素因数の和:1086

約数の個数: 24

約数和(自身を含む): 35487972

約数和(自身を除く): 13823954

約数列:

[1, 2, 17, 34, 37, 74, 289, 578, 629, 1013, 1258, 2026, 10693, 17221, 21386, 34442, 37481, 74962, 292757, 585514, 637177, 1274354, 10832009, 21664018]

約数ペア:

[(1, 21664018), (2, 10832009), (17, 1274354), (34, 637177), (37, 585514), (74, 292757), (289, 74962), (578, 37481), (629, 34442), (1013, 21386), (1258, 17221), (2026, 10693)]