21103766

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{15139}}^1$

素因数の和:15199

約数の個数: 16

約数和(自身を含む): 34337520

約数和(自身を除く): 13233754

約数列:

[1, 2, 17, 34, 41, 82, 697, 1394, 15139, 30278, 257363, 514726, 620699, 1241398, 10551883, 21103766]

約数ペア:

[(1, 21103766), (2, 10551883), (17, 1241398), (34, 620699), (41, 514726), (82, 257363), (697, 30278), (1394, 15139)]