21231626

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{42979}}^1$

素因数の和:43013

約数の個数: 16

約数和(自身を含む): 36103200

約数和(自身を除く): 14871574

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 42979, 85958, 558727, 816601, 1117454, 1633202, 10615813, 21231626]

約数ペア:

[(1, 21231626), (2, 10615813), (13, 1633202), (19, 1117454), (26, 816601), (38, 558727), (247, 85958), (494, 42979)]