21276912

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:302

約数の個数: 80

約数和(自身を含む): 57774080

約数和(自身を除く): 36497168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 79, 93, 124, 158, 181, 186, 237, 248, 316, 362, 372, 474, 496, 543, 632, 724, 744, 948, 1086, 1264, 1448, 1488, 1896, 2172, 2449, 2896, 3792, 4344, 4898, 5611, 7347, 8688, 9796, 11222, 14299, 14694, 16833, 19592, 22444, 28598, 29388, 33666, 39184, 42897, 44888, 57196, 58776, 67332, 85794, 89776, 114392, 117552, 134664, 171588, 228784, 269328, 343176, 443269, 686352, 886538, 1329807, 1773076, 2659614, 3546152, 5319228, 7092304, 10638456, 21276912]

約数ペア:

[(1, 21276912), (2, 10638456), (3, 7092304), (4, 5319228), (6, 3546152), (8, 2659614), (12, 1773076), (16, 1329807), (24, 886538), (31, 686352), (48, 443269), (62, 343176), (79, 269328), (93, 228784), (124, 171588), (158, 134664), (181, 117552), (186, 114392), (237, 89776), (248, 85794), (316, 67332), (362, 58776), (372, 57196), (474, 44888), (496, 42897), (543, 39184), (632, 33666), (724, 29388), (744, 28598), (948, 22444), (1086, 19592), (1264, 16833), (1448, 14694), (1488, 14299), (1896, 11222), (2172, 9796), (2449, 8688), (2896, 7347), (3792, 5611), (4344, 4898)]