21236475395

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^2\times {\mathrm{3067}}^1$

素因数の和:3224

約数の個数: 48

約数和(自身を含む): 28459136160

約数和(自身を除く): 7222660765

約数列:

[1, 5, 17, 29, 53, 85, 145, 265, 493, 901, 1537, 2465, 2809, 3067, 4505, 7685, 14045, 15335, 26129, 47753, 52139, 81461, 88943, 130645, 162551, 238765, 260695, 407305, 444715, 812755, 1384837, 1512031, 2763367, 4713979, 6924185, 7560155, 8615203, 13816835, 23569895, 43076015, 80137643, 146458451, 249840887, 400688215, 732292255, 1249204435, 4247295079, 21236475395]

約数ペア:

[(1, 21236475395), (5, 4247295079), (17, 1249204435), (29, 732292255), (53, 400688215), (85, 249840887), (145, 146458451), (265, 80137643), (493, 43076015), (901, 23569895), (1537, 13816835), (2465, 8615203), (2809, 7560155), (3067, 6924185), (4505, 4713979), (7685, 2763367), (14045, 1512031), (15335, 1384837), (26129, 812755), (47753, 444715), (52139, 407305), (81461, 260695), (88943, 238765), (130645, 162551)]