21007274

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1049}}^1$

素因数の和:1118

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 15280726

約数列:

[1, 2, 17, 19, 31, 34, 38, 62, 323, 527, 589, 646, 1049, 1054, 1178, 2098, 10013, 17833, 19931, 20026, 32519, 35666, 39862, 65038, 338827, 552823, 617861, 677654, 1105646, 1235722, 10503637, 21007274]

約数ペア:

[(1, 21007274), (2, 10503637), (17, 1235722), (19, 1105646), (31, 677654), (34, 617861), (38, 552823), (62, 338827), (323, 65038), (527, 39862), (589, 35666), (646, 32519), (1049, 20026), (1054, 19931), (1178, 17833), (2098, 10013)]