21015060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1873}}^1$

素因数の和:1913

約数の個数: 96

約数和(自身を含む): 68003712

約数和(自身を除く): 46988652

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 33, 34, 44, 51, 55, 60, 66, 68, 85, 102, 110, 132, 165, 170, 187, 204, 220, 255, 330, 340, 374, 510, 561, 660, 748, 935, 1020, 1122, 1870, 1873, 2244, 2805, 3740, 3746, 5610, 5619, 7492, 9365, 11220, 11238, 18730, 20603, 22476, 28095, 31841, 37460, 41206, 56190, 61809, 63682, 82412, 95523, 103015, 112380, 123618, 127364, 159205, 191046, 206030, 247236, 309045, 318410, 350251, 382092, 412060, 477615, 618090, 636820, 700502, 955230, 1050753, 1236180, 1401004, 1751255, 1910460, 2101506, 3502510, 4203012, 5253765, 7005020, 10507530, 21015060]

約数ペア:

[(1, 21015060), (2, 10507530), (3, 7005020), (4, 5253765), (5, 4203012), (6, 3502510), (10, 2101506), (11, 1910460), (12, 1751255), (15, 1401004), (17, 1236180), (20, 1050753), (22, 955230), (30, 700502), (33, 636820), (34, 618090), (44, 477615), (51, 412060), (55, 382092), (60, 350251), (66, 318410), (68, 309045), (85, 247236), (102, 206030), (110, 191046), (132, 159205), (165, 127364), (170, 123618), (187, 112380), (204, 103015), (220, 95523), (255, 82412), (330, 63682), (340, 61809), (374, 56190), (510, 41206), (561, 37460), (660, 31841), (748, 28095), (935, 22476), (1020, 20603), (1122, 18730), (1870, 11238), (1873, 11220), (2244, 9365), (2805, 7492), (3740, 5619), (3746, 5610)]