21436870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23557}}^1$

素因数の和:23584

約数の個数: 32

約数和(自身を含む): 47492928

約数和(自身を除く): 26056058

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 23557, 47114, 117785, 164899, 235570, 306241, 329798, 612482, 824495, 1531205, 1648990, 2143687, 3062410, 4287374, 10718435, 21436870]

約数ペア:

[(1, 21436870), (2, 10718435), (5, 4287374), (7, 3062410), (10, 2143687), (13, 1648990), (14, 1531205), (26, 824495), (35, 612482), (65, 329798), (70, 306241), (91, 235570), (130, 164899), (182, 117785), (455, 47114), (910, 23557)]