21039832

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{5087}}^1$

素因数の和:5151

約数の個数: 32

約数和(自身を含む): 43960320

約数和(自身を除く): 22920488

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 88, 94, 188, 376, 517, 1034, 2068, 4136, 5087, 10174, 20348, 40696, 55957, 111914, 223828, 239089, 447656, 478178, 956356, 1912712, 2629979, 5259958, 10519916, 21039832]

約数ペア:

[(1, 21039832), (2, 10519916), (4, 5259958), (8, 2629979), (11, 1912712), (22, 956356), (44, 478178), (47, 447656), (88, 239089), (94, 223828), (188, 111914), (376, 55957), (517, 40696), (1034, 20348), (2068, 10174), (4136, 5087)]