21890802

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:195

約数の個数: 64

約数和(自身を含む): 48335616

約数和(自身を除く): 26444814

約数列:

[1, 2, 3, 6, 23, 41, 46, 53, 69, 73, 82, 106, 123, 138, 146, 159, 219, 246, 318, 438, 943, 1219, 1679, 1886, 2173, 2438, 2829, 2993, 3358, 3657, 3869, 4346, 5037, 5658, 5986, 6519, 7314, 7738, 8979, 10074, 11607, 13038, 17958, 23214, 49979, 68839, 88987, 99958, 137678, 149937, 158629, 177974, 206517, 266961, 299874, 317258, 413034, 475887, 533922, 951774, 3648467, 7296934, 10945401, 21890802]

約数ペア:

[(1, 21890802), (2, 10945401), (3, 7296934), (6, 3648467), (23, 951774), (41, 533922), (46, 475887), (53, 413034), (69, 317258), (73, 299874), (82, 266961), (106, 206517), (123, 177974), (138, 158629), (146, 149937), (159, 137678), (219, 99958), (246, 88987), (318, 68839), (438, 49979), (943, 23214), (1219, 17958), (1679, 13038), (1886, 11607), (2173, 10074), (2438, 8979), (2829, 7738), (2993, 7314), (3358, 6519), (3657, 5986), (3869, 5658), (4346, 5037)]