21163116

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{135661}}^1$

素因数の和:135681

約数の個数: 24

約数和(自身を含む): 53179504

約数和(自身を除く): 32016388

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 135661, 271322, 406983, 542644, 813966, 1627932, 1763593, 3527186, 5290779, 7054372, 10581558, 21163116]

約数ペア:

[(1, 21163116), (2, 10581558), (3, 7054372), (4, 5290779), (6, 3527186), (12, 1763593), (13, 1627932), (26, 813966), (39, 542644), (52, 406983), (78, 271322), (156, 135661)]