21128179968012

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1242541753}}^1$

素因数の和:1242541882

約数の個数: 48

約数和(自身を含む): 53578400432480

約数和(自身を除く): 32450220464468

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 109, 156, 218, 327, 436, 654, 1308, 1417, 2834, 4251, 5668, 8502, 17004, 1242541753, 2485083506, 3727625259, 4970167012, 7455250518, 14910501036, 16153042789, 32306085578, 48459128367, 64612171156, 96918256734, 135437051077, 193836513468, 270874102154, 406311153231, 541748204308, 812622306462, 1625244612924, 1760681664001, 3521363328002, 5282044992003, 7042726656004, 10564089984006, 21128179968012]

約数ペア:

[(1, 21128179968012), (2, 10564089984006), (3, 7042726656004), (4, 5282044992003), (6, 3521363328002), (12, 1760681664001), (13, 1625244612924), (26, 812622306462), (39, 541748204308), (52, 406311153231), (78, 270874102154), (109, 193836513468), (156, 135437051077), (218, 96918256734), (327, 64612171156), (436, 48459128367), (654, 32306085578), (1308, 16153042789), (1417, 14910501036), (2834, 7455250518), (4251, 4970167012), (5668, 3727625259), (8502, 2485083506), (17004, 1242541753)]