21739804

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{10313}}^1$

素因数の和:10365

約数の個数: 24

約数和(自身を含む): 41586048

約数和(自身を除く): 19846244

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 124, 527, 1054, 2108, 10313, 20626, 41252, 175321, 319703, 350642, 639406, 701284, 1278812, 5434951, 10869902, 21739804]

約数ペア:

[(1, 21739804), (2, 10869902), (4, 5434951), (17, 1278812), (31, 701284), (34, 639406), (62, 350642), (68, 319703), (124, 175321), (527, 41252), (1054, 20626), (2108, 10313)]