21644838

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{3331}}^1$

素因数の和:3377

約数の個数: 36

約数和(自身を含む): 49510188

約数和(自身を除く): 27865350

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 361, 722, 1083, 2166, 3249, 3331, 6498, 6662, 9993, 19986, 29979, 59958, 63289, 126578, 189867, 379734, 569601, 1139202, 1202491, 2404982, 3607473, 7214946, 10822419, 21644838]

約数ペア:

[(1, 21644838), (2, 10822419), (3, 7214946), (6, 3607473), (9, 2404982), (18, 1202491), (19, 1139202), (38, 569601), (57, 379734), (114, 189867), (171, 126578), (342, 63289), (361, 59958), (722, 29979), (1083, 19986), (2166, 9993), (3249, 6662), (3331, 6498)]