21910382

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2609}}^1$

素因数の和:2660

約数の個数: 32

約数和(自身を含む): 39463200

約数和(自身を除く): 17552818

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 221, 247, 323, 442, 494, 646, 2609, 4199, 5218, 8398, 33917, 44353, 49571, 67834, 88706, 99142, 576589, 644423, 842707, 1153178, 1288846, 1685414, 10955191, 21910382]

約数ペア:

[(1, 21910382), (2, 10955191), (13, 1685414), (17, 1288846), (19, 1153178), (26, 842707), (34, 644423), (38, 576589), (221, 99142), (247, 88706), (323, 67834), (442, 49571), (494, 44353), (646, 33917), (2609, 8398), (4199, 5218)]