21145936562

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{757}}^1\times {\mathrm{1321}}^1$

素因数の和:2286

約数の個数: 32

約数和(自身を含む): 32407137840

約数和(自身を除く): 11261201278

約数列:

[1, 2, 97, 109, 194, 218, 757, 1321, 1514, 2642, 10573, 21146, 73429, 82513, 128137, 143989, 146858, 165026, 256274, 287978, 999997, 1999994, 8003761, 13966933, 16007522, 27933866, 96999709, 108999673, 193999418, 217999346, 10572968281, 21145936562]

約数ペア:

[(1, 21145936562), (2, 10572968281), (97, 217999346), (109, 193999418), (194, 108999673), (218, 96999709), (757, 27933866), (1321, 16007522), (1514, 13966933), (2642, 8003761), (10573, 1999994), (21146, 999997), (73429, 287978), (82513, 256274), (128137, 165026), (143989, 146858)]