21223718

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{16871}}^1$

素因数の和:16927

約数の個数: 16

約数和(自身を含む): 34621344

約数和(自身を除く): 13397626

約数列:

[1, 2, 17, 34, 37, 74, 629, 1258, 16871, 33742, 286807, 573614, 624227, 1248454, 10611859, 21223718]

約数ペア:

[(1, 21223718), (2, 10611859), (17, 1248454), (34, 624227), (37, 573614), (74, 286807), (629, 33742), (1258, 16871)]