21292575

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{7673}}^1$

素因数の和:7723

約数の個数: 24

約数和(自身を含む): 36159888

約数和(自身を除く): 14867313

約数列:

[1, 3, 5, 15, 25, 37, 75, 111, 185, 555, 925, 2775, 7673, 23019, 38365, 115095, 191825, 283901, 575475, 851703, 1419505, 4258515, 7097525, 21292575]

約数ペア:

[(1, 21292575), (3, 7097525), (5, 4258515), (15, 1419505), (25, 851703), (37, 575475), (75, 283901), (111, 191825), (185, 115095), (555, 38365), (925, 23019), (2775, 7673)]