21074808

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{523}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 55837440

約数和(自身を除く): 34762632

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 73, 92, 138, 146, 184, 219, 276, 292, 438, 523, 552, 584, 876, 1046, 1569, 1679, 1752, 2092, 3138, 3358, 4184, 5037, 6276, 6716, 10074, 12029, 12552, 13432, 20148, 24058, 36087, 38179, 40296, 48116, 72174, 76358, 96232, 114537, 144348, 152716, 229074, 288696, 305432, 458148, 878117, 916296, 1756234, 2634351, 3512468, 5268702, 7024936, 10537404, 21074808]

約数ペア:

[(1, 21074808), (2, 10537404), (3, 7024936), (4, 5268702), (6, 3512468), (8, 2634351), (12, 1756234), (23, 916296), (24, 878117), (46, 458148), (69, 305432), (73, 288696), (92, 229074), (138, 152716), (146, 144348), (184, 114537), (219, 96232), (276, 76358), (292, 72174), (438, 48116), (523, 40296), (552, 38179), (584, 36087), (876, 24058), (1046, 20148), (1569, 13432), (1679, 12552), (1752, 12029), (2092, 10074), (3138, 6716), (3358, 6276), (4184, 5037)]