21895218

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:129

約数の個数: 96

約数和(自身を含む): 54817920

約数和(自身を除く): 32922702

約数列:

[1, 2, 3, 6, 9, 17, 18, 23, 27, 34, 46, 51, 54, 61, 69, 102, 122, 138, 153, 183, 207, 289, 306, 366, 391, 414, 459, 549, 578, 621, 782, 867, 918, 1037, 1098, 1173, 1242, 1403, 1647, 1734, 2074, 2346, 2601, 2806, 3111, 3294, 3519, 4209, 5202, 6222, 6647, 7038, 7803, 8418, 9333, 10557, 12627, 13294, 15606, 17629, 18666, 19941, 21114, 23851, 25254, 27999, 35258, 37881, 39882, 47702, 52887, 55998, 59823, 71553, 75762, 105774, 119646, 143106, 158661, 179469, 214659, 317322, 358938, 405467, 429318, 475983, 643977, 810934, 951966, 1216401, 1287954, 2432802, 3649203, 7298406, 10947609, 21895218]

約数ペア:

[(1, 21895218), (2, 10947609), (3, 7298406), (6, 3649203), (9, 2432802), (17, 1287954), (18, 1216401), (23, 951966), (27, 810934), (34, 643977), (46, 475983), (51, 429318), (54, 405467), (61, 358938), (69, 317322), (102, 214659), (122, 179469), (138, 158661), (153, 143106), (183, 119646), (207, 105774), (289, 75762), (306, 71553), (366, 59823), (391, 55998), (414, 52887), (459, 47702), (549, 39882), (578, 37881), (621, 35258), (782, 27999), (867, 25254), (918, 23851), (1037, 21114), (1098, 19941), (1173, 18666), (1242, 17629), (1403, 15606), (1647, 13294), (1734, 12627), (2074, 10557), (2346, 9333), (2601, 8418), (2806, 7803), (3111, 7038), (3294, 6647), (3519, 6222), (4209, 5202)]