21177624

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{659}}^1$

素因数の和:784

約数の個数: 64

約数和(自身を含む): 57657600

約数和(自身を除く): 36479976

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 103, 104, 156, 206, 309, 312, 412, 618, 659, 824, 1236, 1318, 1339, 1977, 2472, 2636, 2678, 3954, 4017, 5272, 5356, 7908, 8034, 8567, 10712, 15816, 16068, 17134, 25701, 32136, 34268, 51402, 67877, 68536, 102804, 135754, 203631, 205608, 271508, 407262, 543016, 814524, 882401, 1629048, 1764802, 2647203, 3529604, 5294406, 7059208, 10588812, 21177624]

約数ペア:

[(1, 21177624), (2, 10588812), (3, 7059208), (4, 5294406), (6, 3529604), (8, 2647203), (12, 1764802), (13, 1629048), (24, 882401), (26, 814524), (39, 543016), (52, 407262), (78, 271508), (103, 205608), (104, 203631), (156, 135754), (206, 102804), (309, 68536), (312, 67877), (412, 51402), (618, 34268), (659, 32136), (824, 25701), (1236, 17134), (1318, 16068), (1339, 15816), (1977, 10712), (2472, 8567), (2636, 8034), (2678, 7908), (3954, 5356), (4017, 5272)]