21132930

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7741}}^1$

素因数の和:7771

約数の個数: 64

約数和(自身を含む): 62431488

約数和(自身を除く): 41298558

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 7741, 15482, 23223, 38705, 46446, 54187, 77410, 100633, 108374, 116115, 162561, 201266, 232230, 270935, 301899, 325122, 503165, 541870, 603798, 704431, 812805, 1006330, 1408862, 1509495, 1625610, 2113293, 3018990, 3522155, 4226586, 7044310, 10566465, 21132930]

約数ペア:

[(1, 21132930), (2, 10566465), (3, 7044310), (5, 4226586), (6, 3522155), (7, 3018990), (10, 2113293), (13, 1625610), (14, 1509495), (15, 1408862), (21, 1006330), (26, 812805), (30, 704431), (35, 603798), (39, 541870), (42, 503165), (65, 325122), (70, 301899), (78, 270935), (91, 232230), (105, 201266), (130, 162561), (182, 116115), (195, 108374), (210, 100633), (273, 77410), (390, 54187), (455, 46446), (546, 38705), (910, 23223), (1365, 15482), (2730, 7741)]