21450962

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{251}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 36832320

約数和(自身を除く): 15381358

約数列:

[1, 2, 13, 19, 26, 38, 173, 247, 251, 346, 494, 502, 2249, 3263, 3287, 4498, 4769, 6526, 6574, 9538, 42731, 43423, 61997, 85462, 86846, 123994, 564499, 825037, 1128998, 1650074, 10725481, 21450962]

約数ペア:

[(1, 21450962), (2, 10725481), (13, 1650074), (19, 1128998), (26, 825037), (38, 564499), (173, 123994), (247, 86846), (251, 85462), (346, 61997), (494, 43423), (502, 42731), (2249, 9538), (3263, 6574), (3287, 6526), (4498, 4769)]