21373012

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{10139}}^1$

素因数の和:10191

約数の個数: 24

約数和(自身を含む): 40884480

約数和(自身を除く): 19511468

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 124, 527, 1054, 2108, 10139, 20278, 40556, 172363, 314309, 344726, 628618, 689452, 1257236, 5343253, 10686506, 21373012]

約数ペア:

[(1, 21373012), (2, 10686506), (4, 5343253), (17, 1257236), (31, 689452), (34, 628618), (62, 344726), (68, 314309), (124, 172363), (527, 40556), (1054, 20278), (2108, 10139)]