21245731201

素因数分解:

${\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{241}}^1\times {\mathrm{4139}}^1$

素因数の和:4477

約数の個数: 24

約数和(自身を含む): 22902976800

約数和(自身を除く): 1657245599

約数列:

[1, 19, 59, 241, 361, 1121, 4139, 4579, 14219, 21299, 78641, 87001, 244201, 270161, 997499, 1494179, 4639819, 5133059, 18952481, 58852441, 88156561, 360097139, 1118196379, 21245731201]

約数ペア:

[(1, 21245731201), (19, 1118196379), (59, 360097139), (241, 88156561), (361, 58852441), (1121, 18952481), (4139, 5133059), (4579, 4639819), (14219, 1494179), (21299, 997499), (78641, 270161), (87001, 244201)]