21410768

素因数分解:

$2^4\times {\mathrm{1013}}^1\times {\mathrm{1321}}^1$

素因数の和:2342

約数の個数: 20

約数和(自身を含む): 41555748

約数和(自身を除く): 20144980

約数列:

[1, 2, 4, 8, 16, 1013, 1321, 2026, 2642, 4052, 5284, 8104, 10568, 16208, 21136, 1338173, 2676346, 5352692, 10705384, 21410768]

約数ペア:

[(1, 21410768), (2, 10705384), (4, 5352692), (8, 2676346), (16, 1338173), (1013, 21136), (1321, 16208), (2026, 10568), (2642, 8104), (4052, 5284)]