21392574

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 29410626

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 59, 89, 97, 118, 177, 178, 194, 267, 291, 354, 413, 534, 582, 623, 679, 826, 1239, 1246, 1358, 1869, 2037, 2478, 3738, 4074, 5251, 5723, 8633, 10502, 11446, 15753, 17169, 17266, 25899, 31506, 34338, 36757, 40061, 51798, 60431, 73514, 80122, 110271, 120183, 120862, 181293, 220542, 240366, 362586, 509347, 1018694, 1528041, 3056082, 3565429, 7130858, 10696287, 21392574]

約数ペア:

[(1, 21392574), (2, 10696287), (3, 7130858), (6, 3565429), (7, 3056082), (14, 1528041), (21, 1018694), (42, 509347), (59, 362586), (89, 240366), (97, 220542), (118, 181293), (177, 120862), (178, 120183), (194, 110271), (267, 80122), (291, 73514), (354, 60431), (413, 51798), (534, 40061), (582, 36757), (623, 34338), (679, 31506), (826, 25899), (1239, 17266), (1246, 17169), (1358, 15753), (1869, 11446), (2037, 10502), (2478, 8633), (3738, 5723), (4074, 5251)]