21716962

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:378

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 14208158

約数列:

[1, 2, 19, 38, 41, 53, 82, 106, 263, 526, 779, 1007, 1558, 2014, 2173, 4346, 4997, 9994, 10783, 13939, 21566, 27878, 41287, 82574, 204877, 264841, 409754, 529682, 571499, 1142998, 10858481, 21716962]

約数ペア:

[(1, 21716962), (2, 10858481), (19, 1142998), (38, 571499), (41, 529682), (53, 409754), (82, 264841), (106, 204877), (263, 82574), (526, 41287), (779, 27878), (1007, 21566), (1558, 13939), (2014, 10783), (2173, 9994), (4346, 4997)]