21730618

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{461}}^1$

素因数の和:527

約数の個数: 48

約数和(自身を含む): 42029064

約数和(自身を除く): 20298446

約数列:

[1, 2, 7, 13, 14, 26, 37, 49, 74, 91, 98, 182, 259, 461, 481, 518, 637, 922, 962, 1274, 1813, 3227, 3367, 3626, 5993, 6454, 6734, 11986, 17057, 22589, 23569, 34114, 41951, 45178, 47138, 83902, 119399, 221741, 238798, 293657, 443482, 587314, 835793, 1552187, 1671586, 3104374, 10865309, 21730618]

約数ペア:

[(1, 21730618), (2, 10865309), (7, 3104374), (13, 1671586), (14, 1552187), (26, 835793), (37, 587314), (49, 443482), (74, 293657), (91, 238798), (98, 221741), (182, 119399), (259, 83902), (461, 47138), (481, 45178), (518, 41951), (637, 34114), (922, 23569), (962, 22589), (1274, 17057), (1813, 11986), (3227, 6734), (3367, 6454), (3626, 5993)]