21004776

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{22441}}^1$

素因数の和:22466

約数の個数: 48

約数和(自身を含む): 61266660

約数和(自身を除く): 40261884

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 22441, 44882, 67323, 89764, 134646, 179528, 201969, 269292, 291733, 403938, 538584, 583466, 807876, 875199, 1166932, 1615752, 1750398, 2333864, 2625597, 3500796, 5251194, 7001592, 10502388, 21004776]

約数ペア:

[(1, 21004776), (2, 10502388), (3, 7001592), (4, 5251194), (6, 3500796), (8, 2625597), (9, 2333864), (12, 1750398), (13, 1615752), (18, 1166932), (24, 875199), (26, 807876), (36, 583466), (39, 538584), (52, 403938), (72, 291733), (78, 269292), (104, 201969), (117, 179528), (156, 134646), (234, 89764), (312, 67323), (468, 44882), (936, 22441)]