21965916

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{37357}}^1$

素因数の和:37378

約数の個数: 36

約数和(自身を含む): 59623368

約数和(自身を除く): 37657452

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 37357, 74714, 112071, 149428, 224142, 261499, 448284, 522998, 784497, 1045996, 1568994, 1830493, 3137988, 3660986, 5491479, 7321972, 10982958, 21965916]

約数ペア:

[(1, 21965916), (2, 10982958), (3, 7321972), (4, 5491479), (6, 3660986), (7, 3137988), (12, 1830493), (14, 1568994), (21, 1045996), (28, 784497), (42, 522998), (49, 448284), (84, 261499), (98, 224142), (147, 149428), (196, 112071), (294, 74714), (588, 37357)]