21066050

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{13591}}^1$

素因数の和:13634

約数の個数: 24

約数和(自身を含む): 40449792

約数和(自身を除く): 19383742

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 13591, 27182, 67955, 135910, 339775, 421321, 679550, 842642, 2106605, 4213210, 10533025, 21066050]

約数ペア:

[(1, 21066050), (2, 10533025), (5, 4213210), (10, 2106605), (25, 842642), (31, 679550), (50, 421321), (62, 339775), (155, 135910), (310, 67955), (775, 27182), (1550, 13591)]