21808884

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2333}}^1$

素因数の和:2400

約数の個数: 48

約数和(自身を含む): 54895680

約数和(自身を除く): 33086796

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 41, 57, 76, 82, 114, 123, 164, 228, 246, 492, 779, 1558, 2333, 2337, 3116, 4666, 4674, 6999, 9332, 9348, 13998, 27996, 44327, 88654, 95653, 132981, 177308, 191306, 265962, 286959, 382612, 531924, 573918, 1147836, 1817407, 3634814, 5452221, 7269628, 10904442, 21808884]

約数ペア:

[(1, 21808884), (2, 10904442), (3, 7269628), (4, 5452221), (6, 3634814), (12, 1817407), (19, 1147836), (38, 573918), (41, 531924), (57, 382612), (76, 286959), (82, 265962), (114, 191306), (123, 177308), (164, 132981), (228, 95653), (246, 88654), (492, 44327), (779, 27996), (1558, 13998), (2333, 9348), (2337, 9332), (3116, 6999), (4666, 4674)]