21462704

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4153}}^1$

素因数の和:4197

約数の個数: 40

約数和(自身を含む): 46358640

約数和(自身を除く): 24895936

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 4153, 5168, 8306, 16612, 33224, 66448, 70601, 78907, 141202, 157814, 282404, 315628, 564808, 631256, 1129616, 1262512, 1341419, 2682838, 5365676, 10731352, 21462704]

約数ペア:

[(1, 21462704), (2, 10731352), (4, 5365676), (8, 2682838), (16, 1341419), (17, 1262512), (19, 1129616), (34, 631256), (38, 564808), (68, 315628), (76, 282404), (136, 157814), (152, 141202), (272, 78907), (304, 70601), (323, 66448), (646, 33224), (1292, 16612), (2584, 8306), (4153, 5168)]