21320088

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 55482240

約数和(自身を除く): 34162152

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 73, 86, 129, 146, 172, 219, 258, 283, 292, 344, 438, 516, 566, 584, 849, 876, 1032, 1132, 1698, 1752, 2264, 3139, 3396, 6278, 6792, 9417, 12169, 12556, 18834, 20659, 24338, 25112, 36507, 37668, 41318, 48676, 61977, 73014, 75336, 82636, 97352, 123954, 146028, 165272, 247908, 292056, 495816, 888337, 1776674, 2665011, 3553348, 5330022, 7106696, 10660044, 21320088]

約数ペア:

[(1, 21320088), (2, 10660044), (3, 7106696), (4, 5330022), (6, 3553348), (8, 2665011), (12, 1776674), (24, 888337), (43, 495816), (73, 292056), (86, 247908), (129, 165272), (146, 146028), (172, 123954), (219, 97352), (258, 82636), (283, 75336), (292, 73014), (344, 61977), (438, 48676), (516, 41318), (566, 37668), (584, 36507), (849, 25112), (876, 24338), (1032, 20659), (1132, 18834), (1698, 12556), (1752, 12169), (2264, 9417), (3139, 6792), (3396, 6278)]