21786984964

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{569}}^1\times {\mathrm{1657}}^1$

素因数の和:2392

約数の個数: 48

約数和(自身を含む): 39295594800

約数和(自身を除く): 17508609836

約数列:

[1, 2, 4, 53, 106, 109, 212, 218, 436, 569, 1138, 1657, 2276, 3314, 5777, 6628, 11554, 23108, 30157, 60314, 62021, 87821, 120628, 124042, 175642, 180613, 248084, 351284, 361226, 722452, 942833, 1885666, 3287113, 3771332, 6574226, 9572489, 13148452, 19144978, 38289956, 49970149, 99940298, 102768797, 199880596, 205537594, 411075188, 5446746241, 10893492482, 21786984964]

約数ペア:

[(1, 21786984964), (2, 10893492482), (4, 5446746241), (53, 411075188), (106, 205537594), (109, 199880596), (212, 102768797), (218, 99940298), (436, 49970149), (569, 38289956), (1138, 19144978), (1657, 13148452), (2276, 9572489), (3314, 6574226), (5777, 3771332), (6628, 3287113), (11554, 1885666), (23108, 942833), (30157, 722452), (60314, 361226), (62021, 351284), (87821, 248084), (120628, 180613), (124042, 175642)]