21082452

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{461}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 51123072

約数和(自身を除く): 30040620

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 103, 111, 148, 206, 222, 309, 412, 444, 461, 618, 922, 1236, 1383, 1844, 2766, 3811, 5532, 7622, 11433, 15244, 17057, 22866, 34114, 45732, 47483, 51171, 68228, 94966, 102342, 142449, 189932, 204684, 284898, 569796, 1756871, 3513742, 5270613, 7027484, 10541226, 21082452]

約数ペア:

[(1, 21082452), (2, 10541226), (3, 7027484), (4, 5270613), (6, 3513742), (12, 1756871), (37, 569796), (74, 284898), (103, 204684), (111, 189932), (148, 142449), (206, 102342), (222, 94966), (309, 68228), (412, 51171), (444, 47483), (461, 45732), (618, 34114), (922, 22866), (1236, 17057), (1383, 15244), (1844, 11433), (2766, 7622), (3811, 5532)]