21118740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{523}}^1\times {\mathrm{673}}^1$

素因数の和:1208

約数の個数: 48

約数和(自身を含む): 59333568

約数和(自身を除く): 38214828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 523, 673, 1046, 1346, 1569, 2019, 2092, 2615, 2692, 3138, 3365, 4038, 5230, 6276, 6730, 7845, 8076, 10095, 10460, 13460, 15690, 20190, 31380, 40380, 351979, 703958, 1055937, 1407916, 1759895, 2111874, 3519790, 4223748, 5279685, 7039580, 10559370, 21118740]

約数ペア:

[(1, 21118740), (2, 10559370), (3, 7039580), (4, 5279685), (5, 4223748), (6, 3519790), (10, 2111874), (12, 1759895), (15, 1407916), (20, 1055937), (30, 703958), (60, 351979), (523, 40380), (673, 31380), (1046, 20190), (1346, 15690), (1569, 13460), (2019, 10460), (2092, 10095), (2615, 8076), (2692, 7845), (3138, 6730), (3365, 6276), (4038, 5230)]