21753170

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{349}}^1$

素因数の和:650

約数の個数: 32

約数和(自身を含む): 41126400

約数和(自身を除く): 19373230

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 271, 349, 542, 698, 1355, 1745, 2710, 3490, 6233, 8027, 12466, 16054, 31165, 40135, 62330, 80270, 94579, 189158, 472895, 945790, 2175317, 4350634, 10876585, 21753170]

約数ペア:

[(1, 21753170), (2, 10876585), (5, 4350634), (10, 2175317), (23, 945790), (46, 472895), (115, 189158), (230, 94579), (271, 80270), (349, 62330), (542, 40135), (698, 31165), (1355, 16054), (1745, 12466), (2710, 8027), (3490, 6233)]