21727088

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{151}}^1$

素因数の和:222

約数の個数: 60

約数和(自身を含む): 46903248

約数和(自身を除く): 25176160

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 68, 92, 136, 151, 184, 272, 302, 368, 391, 529, 604, 782, 1058, 1208, 1564, 2116, 2416, 2567, 3128, 3473, 4232, 5134, 6256, 6946, 8464, 8993, 10268, 13892, 17986, 20536, 27784, 35972, 41072, 55568, 59041, 71944, 79879, 118082, 143888, 159758, 236164, 319516, 472328, 639032, 944656, 1278064, 1357943, 2715886, 5431772, 10863544, 21727088]

約数ペア:

[(1, 21727088), (2, 10863544), (4, 5431772), (8, 2715886), (16, 1357943), (17, 1278064), (23, 944656), (34, 639032), (46, 472328), (68, 319516), (92, 236164), (136, 159758), (151, 143888), (184, 118082), (272, 79879), (302, 71944), (368, 59041), (391, 55568), (529, 41072), (604, 35972), (782, 27784), (1058, 20536), (1208, 17986), (1564, 13892), (2116, 10268), (2416, 8993), (2567, 8464), (3128, 6946), (3473, 6256), (4232, 5134)]