21694278

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{4013}}^1$

素因数の和:4088

約数の個数: 32

約数和(自身を含む): 46819296

約数和(自身を除く): 25125018

約数列:

[1, 2, 3, 6, 17, 34, 51, 53, 102, 106, 159, 318, 901, 1802, 2703, 4013, 5406, 8026, 12039, 24078, 68221, 136442, 204663, 212689, 409326, 425378, 638067, 1276134, 3615713, 7231426, 10847139, 21694278]

約数ペア:

[(1, 21694278), (2, 10847139), (3, 7231426), (6, 3615713), (17, 1276134), (34, 638067), (51, 425378), (53, 409326), (102, 212689), (106, 204663), (159, 136442), (318, 68221), (901, 24078), (1802, 12039), (2703, 8026), (4013, 5406)]