21290148

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{17921}}^1$

素因数の和:17945

約数の個数: 48

約数和(自身を含む): 60217920

約数和(自身を除く): 38927772

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 99, 108, 132, 198, 297, 396, 594, 1188, 17921, 35842, 53763, 71684, 107526, 161289, 197131, 215052, 322578, 394262, 483867, 591393, 645156, 788524, 967734, 1182786, 1774179, 1935468, 2365572, 3548358, 5322537, 7096716, 10645074, 21290148]

約数ペア:

[(1, 21290148), (2, 10645074), (3, 7096716), (4, 5322537), (6, 3548358), (9, 2365572), (11, 1935468), (12, 1774179), (18, 1182786), (22, 967734), (27, 788524), (33, 645156), (36, 591393), (44, 483867), (54, 394262), (66, 322578), (99, 215052), (108, 197131), (132, 161289), (198, 107526), (297, 71684), (396, 53763), (594, 35842), (1188, 17921)]