21979458

素因数分解:

$2^1\times 3^3\times {\mathrm{137}}^1\times {\mathrm{2971}}^1$

素因数の和:3119

約数の個数: 32

約数和(自身を含む): 49216320

約数和(自身を除く): 27236862

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 137, 274, 411, 822, 1233, 2466, 2971, 3699, 5942, 7398, 8913, 17826, 26739, 53478, 80217, 160434, 407027, 814054, 1221081, 2442162, 3663243, 7326486, 10989729, 21979458]

約数ペア:

[(1, 21979458), (2, 10989729), (3, 7326486), (6, 3663243), (9, 2442162), (18, 1221081), (27, 814054), (54, 407027), (137, 160434), (274, 80217), (411, 53478), (822, 26739), (1233, 17826), (2466, 8913), (2971, 7398), (3699, 5942)]