21398448

素因数分解:

$2^4\times 3^1\times {\mathrm{89}}^1\times {\mathrm{5009}}^1$

素因数の和:5109

約数の個数: 40

約数和(自身を含む): 55911600

約数和(自身を除く): 34513152

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 89, 178, 267, 356, 534, 712, 1068, 1424, 2136, 4272, 5009, 10018, 15027, 20036, 30054, 40072, 60108, 80144, 120216, 240432, 445801, 891602, 1337403, 1783204, 2674806, 3566408, 5349612, 7132816, 10699224, 21398448]

約数ペア:

[(1, 21398448), (2, 10699224), (3, 7132816), (4, 5349612), (6, 3566408), (8, 2674806), (12, 1783204), (16, 1337403), (24, 891602), (48, 445801), (89, 240432), (178, 120216), (267, 80144), (356, 60108), (534, 40072), (712, 30054), (1068, 20036), (1424, 15027), (2136, 10018), (4272, 5009)]