21463480

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{18503}}^1$

素因数の和:18543

約数の個数: 32

約数和(自身を含む): 49960800

約数和(自身を除く): 28497320

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 18503, 37006, 74012, 92515, 148024, 185030, 370060, 536587, 740120, 1073174, 2146348, 2682935, 4292696, 5365870, 10731740, 21463480]

約数ペア:

[(1, 21463480), (2, 10731740), (4, 5365870), (5, 4292696), (8, 2682935), (10, 2146348), (20, 1073174), (29, 740120), (40, 536587), (58, 370060), (116, 185030), (145, 148024), (232, 92515), (290, 74012), (580, 37006), (1160, 18503)]