21219691394

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1352779}}^1$

素因数の和:1352846

約数の個数: 32

約数和(自身を含む): 37401661440

約数和(自身を除く): 16181970046

約数列:

[1, 2, 11, 22, 23, 31, 46, 62, 253, 341, 506, 682, 713, 1426, 7843, 15686, 1352779, 2705558, 14880569, 29761138, 31113917, 41936149, 62227834, 83872298, 342253087, 461297639, 684506174, 922595278, 964531427, 1929062854, 10609845697, 21219691394]

約数ペア:

[(1, 21219691394), (2, 10609845697), (11, 1929062854), (22, 964531427), (23, 922595278), (31, 684506174), (46, 461297639), (62, 342253087), (253, 83872298), (341, 62227834), (506, 41936149), (682, 31113917), (713, 29761138), (1426, 14880569), (7843, 2705558), (15686, 1352779)]