21351018

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{9439}}^1$

素因数の和:9486

約数の個数: 32

約数和(自身を含む): 47577600

約数和(自身を除く): 26226582

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 78, 87, 174, 377, 754, 1131, 2262, 9439, 18878, 28317, 56634, 122707, 245414, 273731, 368121, 547462, 736242, 821193, 1642386, 3558503, 7117006, 10675509, 21351018]

約数ペア:

[(1, 21351018), (2, 10675509), (3, 7117006), (6, 3558503), (13, 1642386), (26, 821193), (29, 736242), (39, 547462), (58, 368121), (78, 273731), (87, 245414), (174, 122707), (377, 56634), (754, 28317), (1131, 18878), (2262, 9439)]