21373890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1559}}^1$

素因数の和:2026

約数の個数: 32

約数和(自身を含む): 51442560

約数和(自身を除く): 30068670

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 457, 914, 1371, 1559, 2285, 2742, 3118, 4570, 4677, 6855, 7795, 9354, 13710, 15590, 23385, 46770, 712463, 1424926, 2137389, 3562315, 4274778, 7124630, 10686945, 21373890]

約数ペア:

[(1, 21373890), (2, 10686945), (3, 7124630), (5, 4274778), (6, 3562315), (10, 2137389), (15, 1424926), (30, 712463), (457, 46770), (914, 23385), (1371, 15590), (1559, 13710), (2285, 9354), (2742, 7795), (3118, 6855), (4570, 4677)]