21626436

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{883}}^1$

素因数の和:1060

約数の個数: 48

約数和(自身を含む): 54751424

約数和(自身を除く): 33124988

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 157, 314, 471, 628, 883, 942, 1766, 1884, 2041, 2649, 3532, 4082, 5298, 6123, 8164, 10596, 11479, 12246, 22958, 24492, 34437, 45916, 68874, 137748, 138631, 277262, 415893, 554524, 831786, 1663572, 1802203, 3604406, 5406609, 7208812, 10813218, 21626436]

約数ペア:

[(1, 21626436), (2, 10813218), (3, 7208812), (4, 5406609), (6, 3604406), (12, 1802203), (13, 1663572), (26, 831786), (39, 554524), (52, 415893), (78, 277262), (156, 138631), (157, 137748), (314, 68874), (471, 45916), (628, 34437), (883, 24492), (942, 22958), (1766, 12246), (1884, 11479), (2041, 10596), (2649, 8164), (3532, 6123), (4082, 5298)]