21137164

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{373}}^1\times {\mathrm{457}}^1$

素因数の和:865

約数の個数: 24

約数和(自身を含む): 38369408

約数和(自身を除く): 17232244

約数列:

[1, 2, 4, 31, 62, 124, 373, 457, 746, 914, 1492, 1828, 11563, 14167, 23126, 28334, 46252, 56668, 170461, 340922, 681844, 5284291, 10568582, 21137164]

約数ペア:

[(1, 21137164), (2, 10568582), (4, 5284291), (31, 681844), (62, 340922), (124, 170461), (373, 56668), (457, 46252), (746, 28334), (914, 23126), (1492, 14167), (1828, 11563)]