21554412

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{577}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 55155072

約数和(自身を除く): 33600660

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 283, 566, 577, 849, 1132, 1154, 1698, 1731, 2308, 3113, 3396, 3462, 6226, 6347, 6924, 9339, 12452, 12694, 18678, 19041, 25388, 37356, 38082, 76164, 163291, 326582, 489873, 653164, 979746, 1796201, 1959492, 3592402, 5388603, 7184804, 10777206, 21554412]

約数ペア:

[(1, 21554412), (2, 10777206), (3, 7184804), (4, 5388603), (6, 3592402), (11, 1959492), (12, 1796201), (22, 979746), (33, 653164), (44, 489873), (66, 326582), (132, 163291), (283, 76164), (566, 38082), (577, 37356), (849, 25388), (1132, 19041), (1154, 18678), (1698, 12694), (1731, 12452), (2308, 9339), (3113, 6924), (3396, 6347), (3462, 6226)]