21944944

素因数分解:

$2^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1217}}^1$

素因数の和:1262

約数の個数: 60

約数和(自身を含む): 51652944

約数和(自身を除く): 29708000

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 49, 56, 92, 98, 112, 161, 184, 196, 322, 368, 392, 644, 784, 1127, 1217, 1288, 2254, 2434, 2576, 4508, 4868, 8519, 9016, 9736, 17038, 18032, 19472, 27991, 34076, 55982, 59633, 68152, 111964, 119266, 136304, 195937, 223928, 238532, 391874, 447856, 477064, 783748, 954128, 1371559, 1567496, 2743118, 3134992, 5486236, 10972472, 21944944]

約数ペア:

[(1, 21944944), (2, 10972472), (4, 5486236), (7, 3134992), (8, 2743118), (14, 1567496), (16, 1371559), (23, 954128), (28, 783748), (46, 477064), (49, 447856), (56, 391874), (92, 238532), (98, 223928), (112, 195937), (161, 136304), (184, 119266), (196, 111964), (322, 68152), (368, 59633), (392, 55982), (644, 34076), (784, 27991), (1127, 19472), (1217, 18032), (1288, 17038), (2254, 9736), (2434, 9016), (2576, 8519), (4508, 4868)]