21362572

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1613}}^1$

素因数の和:1678

約数の個数: 48

約数和(自身を含む): 47722752

約数和(自身を除く): 26360180

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 43, 44, 77, 86, 154, 172, 301, 308, 473, 602, 946, 1204, 1613, 1892, 3226, 3311, 6452, 6622, 11291, 13244, 17743, 22582, 35486, 45164, 69359, 70972, 124201, 138718, 248402, 277436, 485513, 496804, 762949, 971026, 1525898, 1942052, 3051796, 5340643, 10681286, 21362572]

約数ペア:

[(1, 21362572), (2, 10681286), (4, 5340643), (7, 3051796), (11, 1942052), (14, 1525898), (22, 971026), (28, 762949), (43, 496804), (44, 485513), (77, 277436), (86, 248402), (154, 138718), (172, 124201), (301, 70972), (308, 69359), (473, 45164), (602, 35486), (946, 22582), (1204, 17743), (1613, 13244), (1892, 11291), (3226, 6622), (3311, 6452)]