21307284

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31151}}^1$

素因数の和:31180

約数の個数: 36

約数和(自身を含む): 56696640

約数和(自身を除く): 35389356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 31151, 62302, 93453, 124604, 186906, 280359, 373812, 560718, 591869, 1121436, 1183738, 1775607, 2367476, 3551214, 5326821, 7102428, 10653642, 21307284]

約数ペア:

[(1, 21307284), (2, 10653642), (3, 7102428), (4, 5326821), (6, 3551214), (9, 2367476), (12, 1775607), (18, 1183738), (19, 1121436), (36, 591869), (38, 560718), (57, 373812), (76, 280359), (114, 186906), (171, 124604), (228, 93453), (342, 62302), (684, 31151)]