21205184

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1$

素因数の和:374

約数の個数: 112

約数和(自身を含む): 56668416

約数和(自身を除く): 35463232

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 64, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 224, 286, 308, 331, 352, 364, 416, 448, 572, 616, 662, 704, 728, 832, 1001, 1144, 1232, 1324, 1456, 2002, 2288, 2317, 2464, 2648, 2912, 3641, 4004, 4303, 4576, 4634, 4928, 5296, 5824, 7282, 8008, 8606, 9152, 9268, 10592, 14564, 16016, 17212, 18536, 21184, 25487, 29128, 30121, 32032, 34424, 37072, 47333, 50974, 58256, 60242, 64064, 68848, 74144, 94666, 101948, 116512, 120484, 137696, 148288, 189332, 203896, 233024, 240968, 275392, 331331, 378664, 407792, 481936, 662662, 757328, 815584, 963872, 1325324, 1514656, 1631168, 1927744, 2650648, 3029312, 5301296, 10602592, 21205184]

約数ペア:

[(1, 21205184), (2, 10602592), (4, 5301296), (7, 3029312), (8, 2650648), (11, 1927744), (13, 1631168), (14, 1514656), (16, 1325324), (22, 963872), (26, 815584), (28, 757328), (32, 662662), (44, 481936), (52, 407792), (56, 378664), (64, 331331), (77, 275392), (88, 240968), (91, 233024), (104, 203896), (112, 189332), (143, 148288), (154, 137696), (176, 120484), (182, 116512), (208, 101948), (224, 94666), (286, 74144), (308, 68848), (331, 64064), (352, 60242), (364, 58256), (416, 50974), (448, 47333), (572, 37072), (616, 34424), (662, 32032), (704, 30121), (728, 29128), (832, 25487), (1001, 21184), (1144, 18536), (1232, 17212), (1324, 16016), (1456, 14564), (2002, 10592), (2288, 9268), (2317, 9152), (2464, 8606), (2648, 8008), (2912, 7282), (3641, 5824), (4004, 5296), (4303, 4928), (4576, 4634)]