21613116

素因数分解:

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

素因数の和:176

約数の個数: 96

約数和(自身を含む): 60480000

約数和(自身を除く): 38866884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 59, 84, 89, 98, 118, 147, 177, 178, 196, 236, 267, 294, 343, 354, 356, 413, 534, 588, 623, 686, 708, 826, 1029, 1068, 1239, 1246, 1372, 1652, 1869, 2058, 2478, 2492, 2891, 3738, 4116, 4361, 4956, 5251, 5782, 7476, 8673, 8722, 10502, 11564, 13083, 15753, 17346, 17444, 20237, 21004, 26166, 30527, 31506, 34692, 36757, 40474, 52332, 60711, 61054, 63012, 73514, 80948, 91581, 110271, 121422, 122108, 147028, 183162, 220542, 242844, 257299, 366324, 441084, 514598, 771897, 1029196, 1543794, 1801093, 3087588, 3602186, 5403279, 7204372, 10806558, 21613116]

約数ペア:

[(1, 21613116), (2, 10806558), (3, 7204372), (4, 5403279), (6, 3602186), (7, 3087588), (12, 1801093), (14, 1543794), (21, 1029196), (28, 771897), (42, 514598), (49, 441084), (59, 366324), (84, 257299), (89, 242844), (98, 220542), (118, 183162), (147, 147028), (177, 122108), (178, 121422), (196, 110271), (236, 91581), (267, 80948), (294, 73514), (343, 63012), (354, 61054), (356, 60711), (413, 52332), (534, 40474), (588, 36757), (623, 34692), (686, 31506), (708, 30527), (826, 26166), (1029, 21004), (1068, 20237), (1239, 17444), (1246, 17346), (1372, 15753), (1652, 13083), (1869, 11564), (2058, 10502), (2478, 8722), (2492, 8673), (2891, 7476), (3738, 5782), (4116, 5251), (4361, 4956)]