21335650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1297}}^1$

素因数の和:1363

約数の個数: 48

約数和(自身を含む): 46354176

約数和(自身を除く): 25018526

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 47, 50, 70, 94, 175, 235, 329, 350, 470, 658, 1175, 1297, 1645, 2350, 2594, 3290, 6485, 8225, 9079, 12970, 16450, 18158, 32425, 45395, 60959, 64850, 90790, 121918, 226975, 304795, 426713, 453950, 609590, 853426, 1523975, 2133565, 3047950, 4267130, 10667825, 21335650]

約数ペア:

[(1, 21335650), (2, 10667825), (5, 4267130), (7, 3047950), (10, 2133565), (14, 1523975), (25, 853426), (35, 609590), (47, 453950), (50, 426713), (70, 304795), (94, 226975), (175, 121918), (235, 90790), (329, 64850), (350, 60959), (470, 45395), (658, 32425), (1175, 18158), (1297, 16450), (1645, 12970), (2350, 9079), (2594, 8225), (3290, 6485)]