21670298

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43867}}^1$

素因数の和:43901

約数の個数: 16

約数和(自身を含む): 36849120

約数和(自身を除く): 15178822

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 43867, 87734, 570271, 833473, 1140542, 1666946, 10835149, 21670298]

約数ペア:

[(1, 21670298), (2, 10835149), (13, 1666946), (19, 1140542), (26, 833473), (38, 570271), (247, 87734), (494, 43867)]