21195888

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{317}}^1$

素因数の和:534

約数の個数: 80

約数和(自身を含む): 63091200

約数和(自身を除く): 41895312

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 199, 317, 336, 398, 597, 634, 796, 951, 1194, 1268, 1393, 1592, 1902, 2219, 2388, 2536, 2786, 3184, 3804, 4179, 4438, 4776, 5072, 5572, 6657, 7608, 8358, 8876, 9552, 11144, 13314, 15216, 16716, 17752, 22288, 26628, 33432, 35504, 53256, 63083, 66864, 106512, 126166, 189249, 252332, 378498, 441581, 504664, 756996, 883162, 1009328, 1324743, 1513992, 1766324, 2649486, 3027984, 3532648, 5298972, 7065296, 10597944, 21195888]

約数ペア:

[(1, 21195888), (2, 10597944), (3, 7065296), (4, 5298972), (6, 3532648), (7, 3027984), (8, 2649486), (12, 1766324), (14, 1513992), (16, 1324743), (21, 1009328), (24, 883162), (28, 756996), (42, 504664), (48, 441581), (56, 378498), (84, 252332), (112, 189249), (168, 126166), (199, 106512), (317, 66864), (336, 63083), (398, 53256), (597, 35504), (634, 33432), (796, 26628), (951, 22288), (1194, 17752), (1268, 16716), (1393, 15216), (1592, 13314), (1902, 11144), (2219, 9552), (2388, 8876), (2536, 8358), (2786, 7608), (3184, 6657), (3804, 5572), (4179, 5072), (4438, 4776)]