21177408

素因数分解:

$2^6\times 3^1\times 7^2\times {\mathrm{2251}}^1$

素因数の和:2280

約数の個数: 84

約数和(自身を含む): 65208912

約数和(自身を除く): 44031504

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 147, 168, 192, 196, 224, 294, 336, 392, 448, 588, 672, 784, 1176, 1344, 1568, 2251, 2352, 3136, 4502, 4704, 6753, 9004, 9408, 13506, 15757, 18008, 27012, 31514, 36016, 47271, 54024, 63028, 72032, 94542, 108048, 110299, 126056, 144064, 189084, 216096, 220598, 252112, 330897, 378168, 432192, 441196, 504224, 661794, 756336, 882392, 1008448, 1323588, 1512672, 1764784, 2647176, 3025344, 3529568, 5294352, 7059136, 10588704, 21177408]

約数ペア:

[(1, 21177408), (2, 10588704), (3, 7059136), (4, 5294352), (6, 3529568), (7, 3025344), (8, 2647176), (12, 1764784), (14, 1512672), (16, 1323588), (21, 1008448), (24, 882392), (28, 756336), (32, 661794), (42, 504224), (48, 441196), (49, 432192), (56, 378168), (64, 330897), (84, 252112), (96, 220598), (98, 216096), (112, 189084), (147, 144064), (168, 126056), (192, 110299), (196, 108048), (224, 94542), (294, 72032), (336, 63028), (392, 54024), (448, 47271), (588, 36016), (672, 31514), (784, 27012), (1176, 18008), (1344, 15757), (1568, 13506), (2251, 9408), (2352, 9004), (3136, 6753), (4502, 4704)]