21009990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{593}}^1\times {\mathrm{1181}}^1$

素因数の和:1784

約数の個数: 32

約数和(自身を含む): 50551776

約数和(自身を除く): 29541786

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 593, 1181, 1186, 1779, 2362, 2965, 3543, 3558, 5905, 5930, 7086, 8895, 11810, 17715, 17790, 35430, 700333, 1400666, 2100999, 3501665, 4201998, 7003330, 10504995, 21009990]

約数ペア:

[(1, 21009990), (2, 10504995), (3, 7003330), (5, 4201998), (6, 3501665), (10, 2100999), (15, 1400666), (30, 700333), (593, 35430), (1181, 17790), (1186, 17715), (1779, 11810), (2362, 8895), (2965, 7086), (3543, 5930), (3558, 5905)]