21094398

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 51072000

約数和(自身を除く): 29977602

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 151, 199, 234, 302, 351, 398, 453, 597, 702, 906, 1194, 1359, 1791, 1963, 2587, 2718, 3582, 3926, 4077, 5174, 5373, 5889, 7761, 8154, 10746, 11778, 15522, 17667, 23283, 30049, 35334, 46566, 53001, 60098, 69849, 90147, 106002, 139698, 180294, 270441, 390637, 540882, 781274, 811323, 1171911, 1622646, 2343822, 3515733, 7031466, 10547199, 21094398]

約数ペア:

[(1, 21094398), (2, 10547199), (3, 7031466), (6, 3515733), (9, 2343822), (13, 1622646), (18, 1171911), (26, 811323), (27, 781274), (39, 540882), (54, 390637), (78, 270441), (117, 180294), (151, 139698), (199, 106002), (234, 90147), (302, 69849), (351, 60098), (398, 53001), (453, 46566), (597, 35334), (702, 30049), (906, 23283), (1194, 17667), (1359, 15522), (1791, 11778), (1963, 10746), (2587, 8154), (2718, 7761), (3582, 5889), (3926, 5373), (4077, 5174)]