21163896

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{7537}}^1$

素因数の和:7565

約数の個数: 64

約数和(自身を含む): 63319200

約数和(自身を除く): 42155304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 2808, 7537, 15074, 22611, 30148, 45222, 60296, 67833, 90444, 97981, 135666, 180888, 195962, 203499, 271332, 293943, 391924, 406998, 542664, 587886, 783848, 813996, 881829, 1175772, 1627992, 1763658, 2351544, 2645487, 3527316, 5290974, 7054632, 10581948, 21163896]

約数ペア:

[(1, 21163896), (2, 10581948), (3, 7054632), (4, 5290974), (6, 3527316), (8, 2645487), (9, 2351544), (12, 1763658), (13, 1627992), (18, 1175772), (24, 881829), (26, 813996), (27, 783848), (36, 587886), (39, 542664), (52, 406998), (54, 391924), (72, 293943), (78, 271332), (104, 203499), (108, 195962), (117, 180888), (156, 135666), (216, 97981), (234, 90444), (312, 67833), (351, 60296), (468, 45222), (702, 30148), (936, 22611), (1404, 15074), (2808, 7537)]