21080494060

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2801}}^1\times {\mathrm{16361}}^1$

素因数の和:19194

約数の個数: 48

約数和(自身を含む): 46213094592

約数和(自身を除く): 25132600532

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 2801, 5602, 11204, 14005, 16361, 28010, 32722, 56020, 64423, 65444, 81805, 128846, 163610, 257692, 322115, 327220, 376303, 644230, 752606, 1288460, 1505212, 1881515, 3763030, 7526060, 45827161, 91654322, 183308644, 229135805, 458271610, 916543220, 1054024703, 2108049406, 4216098812, 5270123515, 10540247030, 21080494060]

約数ペア:

[(1, 21080494060), (2, 10540247030), (4, 5270123515), (5, 4216098812), (10, 2108049406), (20, 1054024703), (23, 916543220), (46, 458271610), (92, 229135805), (115, 183308644), (230, 91654322), (460, 45827161), (2801, 7526060), (5602, 3763030), (11204, 1881515), (14005, 1505212), (16361, 1288460), (28010, 752606), (32722, 644230), (56020, 376303), (64423, 327220), (65444, 322115), (81805, 257692), (128846, 163610)]