13213210

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{21661}}^1$

素因数の和:21729

約数の個数: 16

約数和(自身を含む): 24174792

約数和(自身を除く): 10961582

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 21661, 43322, 108305, 216610, 1321321, 2642642, 6606605, 13213210]

約数ペア:

[(1, 13213210), (2, 6606605), (5, 2642642), (10, 1321321), (61, 216610), (122, 108305), (305, 43322), (610, 21661)]