21852208

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1$

素因数の和:554

約数の個数: 80

約数和(自身を含む): 53568000

約数和(自身を除く): 31715792

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 34, 46, 56, 68, 92, 112, 119, 136, 161, 184, 238, 272, 322, 368, 391, 476, 499, 644, 782, 952, 998, 1288, 1564, 1904, 1996, 2576, 2737, 3128, 3493, 3992, 5474, 6256, 6986, 7984, 8483, 10948, 11477, 13972, 16966, 21896, 22954, 27944, 33932, 43792, 45908, 55888, 59381, 67864, 80339, 91816, 118762, 135728, 160678, 183632, 195109, 237524, 321356, 390218, 475048, 642712, 780436, 950096, 1285424, 1365763, 1560872, 2731526, 3121744, 5463052, 10926104, 21852208]

約数ペア:

[(1, 21852208), (2, 10926104), (4, 5463052), (7, 3121744), (8, 2731526), (14, 1560872), (16, 1365763), (17, 1285424), (23, 950096), (28, 780436), (34, 642712), (46, 475048), (56, 390218), (68, 321356), (92, 237524), (112, 195109), (119, 183632), (136, 160678), (161, 135728), (184, 118762), (238, 91816), (272, 80339), (322, 67864), (368, 59381), (391, 55888), (476, 45908), (499, 43792), (644, 33932), (782, 27944), (952, 22954), (998, 21896), (1288, 16966), (1564, 13972), (1904, 11477), (1996, 10948), (2576, 8483), (2737, 7984), (3128, 6986), (3493, 6256), (3992, 5474)]