21954208

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{40357}}^1$

素因数の和:40384

約数の個数: 24

約数和(自身を含む): 45765972

約数和(自身を除く): 23811764

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 40357, 80714, 161428, 322856, 645712, 686069, 1291424, 1372138, 2744276, 5488552, 10977104, 21954208]

約数ペア:

[(1, 21954208), (2, 10977104), (4, 5488552), (8, 2744276), (16, 1372138), (17, 1291424), (32, 686069), (34, 645712), (68, 322856), (136, 161428), (272, 80714), (544, 40357)]