21700558

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{677}}^1$

素因数の和:768

約数の個数: 32

約数和(自身を含む): 37490688

約数和(自身を除く): 15790130

約数列:

[1, 2, 11, 22, 31, 47, 62, 94, 341, 517, 677, 682, 1034, 1354, 1457, 2914, 7447, 14894, 16027, 20987, 31819, 32054, 41974, 63638, 230857, 350009, 461714, 700018, 986389, 1972778, 10850279, 21700558]

約数ペア:

[(1, 21700558), (2, 10850279), (11, 1972778), (22, 986389), (31, 700018), (47, 461714), (62, 350009), (94, 230857), (341, 63638), (517, 41974), (677, 32054), (682, 31819), (1034, 20987), (1354, 16027), (1457, 14894), (2914, 7447)]