21807756

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{19541}}^1$

素因数の和:19582

約数の個数: 36

約数和(自身を含む): 56906304

約数和(自身を除く): 35098548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 19541, 39082, 58623, 78164, 117246, 175869, 234492, 351738, 605771, 703476, 1211542, 1817313, 2423084, 3634626, 5451939, 7269252, 10903878, 21807756]

約数ペア:

[(1, 21807756), (2, 10903878), (3, 7269252), (4, 5451939), (6, 3634626), (9, 2423084), (12, 1817313), (18, 1211542), (31, 703476), (36, 605771), (62, 351738), (93, 234492), (124, 175869), (186, 117246), (279, 78164), (372, 58623), (558, 39082), (1116, 19541)]