21942998

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3851}}^1$

素因数の和:3908

約数の個数: 32

約数和(自身を含む): 42156288

約数和(自身を除く): 20213290

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 154, 259, 407, 518, 814, 2849, 3851, 5698, 7702, 26957, 42361, 53914, 84722, 142487, 284974, 296527, 593054, 997409, 1567357, 1994818, 3134714, 10971499, 21942998]

約数ペア:

[(1, 21942998), (2, 10971499), (7, 3134714), (11, 1994818), (14, 1567357), (22, 997409), (37, 593054), (74, 296527), (77, 284974), (154, 142487), (259, 84722), (407, 53914), (518, 42361), (814, 26957), (2849, 7702), (3851, 5698)]