21004110

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{25931}}^1$

素因数の和:25950

約数の個数: 40

約数和(自身を含む): 56479896

約数和(自身を除く): 35475786

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 25931, 51862, 77793, 129655, 155586, 233379, 259310, 388965, 466758, 700137, 777930, 1166895, 1400274, 2100411, 2333790, 3500685, 4200822, 7001370, 10502055, 21004110]

約数ペア:

[(1, 21004110), (2, 10502055), (3, 7001370), (5, 4200822), (6, 3500685), (9, 2333790), (10, 2100411), (15, 1400274), (18, 1166895), (27, 777930), (30, 700137), (45, 466758), (54, 388965), (81, 259310), (90, 233379), (135, 155586), (162, 129655), (270, 77793), (405, 51862), (810, 25931)]