21143172

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{103643}}^1$

素因数の和:103667

約数の個数: 24

約数和(自身を含む): 52236576

約数和(自身を除く): 31093404

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 103643, 207286, 310929, 414572, 621858, 1243716, 1761931, 3523862, 5285793, 7047724, 10571586, 21143172]

約数ペア:

[(1, 21143172), (2, 10571586), (3, 7047724), (4, 5285793), (6, 3523862), (12, 1761931), (17, 1243716), (34, 621858), (51, 414572), (68, 310929), (102, 207286), (204, 103643)]