20211152

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97169}}^1$

素因数の和:97190

約数の個数: 20

約数和(自身を含む): 42171780

約数和(自身を除く): 21960628

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 97169, 194338, 388676, 777352, 1263197, 1554704, 2526394, 5052788, 10105576, 20211152]

約数ペア:

[(1, 20211152), (2, 10105576), (4, 5052788), (8, 2526394), (13, 1554704), (16, 1263197), (26, 777352), (52, 388676), (104, 194338), (208, 97169)]