21684252

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{821}}^1$

素因数の和:930

約数の個数: 48

約数和(自身を含む): 53028864

約数和(自身を除く): 31344612

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 71, 93, 124, 142, 186, 213, 284, 372, 426, 821, 852, 1642, 2201, 2463, 3284, 4402, 4926, 6603, 8804, 9852, 13206, 25451, 26412, 50902, 58291, 76353, 101804, 116582, 152706, 174873, 233164, 305412, 349746, 699492, 1807021, 3614042, 5421063, 7228084, 10842126, 21684252]

約数ペア:

[(1, 21684252), (2, 10842126), (3, 7228084), (4, 5421063), (6, 3614042), (12, 1807021), (31, 699492), (62, 349746), (71, 305412), (93, 233164), (124, 174873), (142, 152706), (186, 116582), (213, 101804), (284, 76353), (372, 58291), (426, 50902), (821, 26412), (852, 25451), (1642, 13206), (2201, 9852), (2463, 8804), (3284, 6603), (4402, 4926)]