21000587510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10345117}}^1$

素因数の和:10345160

約数の個数: 32

約数和(自身を含む): 44690909760

約数和(自身を除く): 23690322250

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 10345117, 20690234, 51725585, 72415819, 103451170, 144831638, 300008393, 362079095, 600016786, 724158190, 1500041965, 2100058751, 3000083930, 4200117502, 10500293755, 21000587510]

約数ペア:

[(1, 21000587510), (2, 10500293755), (5, 4200117502), (7, 3000083930), (10, 2100058751), (14, 1500041965), (29, 724158190), (35, 600016786), (58, 362079095), (70, 300008393), (145, 144831638), (203, 103451170), (290, 72415819), (406, 51725585), (1015, 20690234), (2030, 10345117)]