21214142

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{2341}}^1$

素因数の和:2563

約数の個数: 16

約数和(自身を含む): 33387552

約数和(自身を除く): 12173410

約数列:

[1, 2, 23, 46, 197, 394, 2341, 4531, 4682, 9062, 53843, 107686, 461177, 922354, 10607071, 21214142]

約数ペア:

[(1, 21214142), (2, 10607071), (23, 922354), (46, 461177), (197, 107686), (394, 53843), (2341, 9062), (4531, 4682)]