21180863046

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{751}}^1\times {\mathrm{18149}}^1$

素因数の和:18949

約数の個数: 64

約数和(自身を含む): 49790822400

約数和(自身を除く): 28609959354

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 751, 777, 1502, 1554, 2253, 4506, 5257, 10514, 15771, 18149, 27787, 31542, 36298, 54447, 55574, 83361, 108894, 127043, 166722, 194509, 254086, 381129, 389018, 583527, 671513, 762258, 1167054, 1343026, 2014539, 4029078, 4700591, 9401182, 13629899, 14101773, 27259798, 28203546, 40889697, 81779394, 95409293, 190818586, 286227879, 504306263, 572455758, 1008612526, 1512918789, 3025837578, 3530143841, 7060287682, 10590431523, 21180863046]

約数ペア:

[(1, 21180863046), (2, 10590431523), (3, 7060287682), (6, 3530143841), (7, 3025837578), (14, 1512918789), (21, 1008612526), (37, 572455758), (42, 504306263), (74, 286227879), (111, 190818586), (222, 95409293), (259, 81779394), (518, 40889697), (751, 28203546), (777, 27259798), (1502, 14101773), (1554, 13629899), (2253, 9401182), (4506, 4700591), (5257, 4029078), (10514, 2014539), (15771, 1343026), (18149, 1167054), (27787, 762258), (31542, 671513), (36298, 583527), (54447, 389018), (55574, 381129), (83361, 254086), (108894, 194509), (127043, 166722)]