21235164

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1637}}^1$

素因数の和:1714

約数の個数: 48

約数和(自身を含む): 52835328

約数和(自身を除く): 31600164

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 47, 69, 92, 94, 138, 141, 188, 276, 282, 564, 1081, 1637, 2162, 3243, 3274, 4324, 4911, 6486, 6548, 9822, 12972, 19644, 37651, 75302, 76939, 112953, 150604, 153878, 225906, 230817, 307756, 451812, 461634, 923268, 1769597, 3539194, 5308791, 7078388, 10617582, 21235164]

約数ペア:

[(1, 21235164), (2, 10617582), (3, 7078388), (4, 5308791), (6, 3539194), (12, 1769597), (23, 923268), (46, 461634), (47, 451812), (69, 307756), (92, 230817), (94, 225906), (138, 153878), (141, 150604), (188, 112953), (276, 76939), (282, 75302), (564, 37651), (1081, 19644), (1637, 12972), (2162, 9822), (3243, 6548), (3274, 6486), (4324, 4911)]