21037704

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{51563}}^1$

素因数の和:51589

約数の個数: 32

約数和(自身を含む): 55689120

約数和(自身を除く): 34651416

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 51563, 103126, 154689, 206252, 309378, 412504, 618756, 876571, 1237512, 1753142, 2629713, 3506284, 5259426, 7012568, 10518852, 21037704]

約数ペア:

[(1, 21037704), (2, 10518852), (3, 7012568), (4, 5259426), (6, 3506284), (8, 2629713), (12, 1753142), (17, 1237512), (24, 876571), (34, 618756), (51, 412504), (68, 309378), (102, 206252), (136, 154689), (204, 103126), (408, 51563)]