21649656

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4157}}^1$

素因数の和:4204

約数の個数: 64

約数和(自身を含む): 63866880

約数和(自身を除く): 42217224

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 124, 168, 186, 217, 248, 372, 434, 651, 744, 868, 1302, 1736, 2604, 4157, 5208, 8314, 12471, 16628, 24942, 29099, 33256, 49884, 58198, 87297, 99768, 116396, 128867, 174594, 232792, 257734, 349188, 386601, 515468, 698376, 773202, 902069, 1030936, 1546404, 1804138, 2706207, 3092808, 3608276, 5412414, 7216552, 10824828, 21649656]

約数ペア:

[(1, 21649656), (2, 10824828), (3, 7216552), (4, 5412414), (6, 3608276), (7, 3092808), (8, 2706207), (12, 1804138), (14, 1546404), (21, 1030936), (24, 902069), (28, 773202), (31, 698376), (42, 515468), (56, 386601), (62, 349188), (84, 257734), (93, 232792), (124, 174594), (168, 128867), (186, 116396), (217, 99768), (248, 87297), (372, 58198), (434, 49884), (651, 33256), (744, 29099), (868, 24942), (1302, 16628), (1736, 12471), (2604, 8314), (4157, 5208)]