21095256

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{743}}^1$

素因数の和:785

約数の個数: 96

約数和(自身を含む): 65352960

約数和(自身を除く): 44257704

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 169, 182, 273, 312, 338, 364, 507, 546, 676, 728, 743, 1014, 1092, 1183, 1352, 1486, 2028, 2184, 2229, 2366, 2972, 3549, 4056, 4458, 4732, 5201, 5944, 7098, 8916, 9464, 9659, 10402, 14196, 15603, 17832, 19318, 20804, 28392, 28977, 31206, 38636, 41608, 57954, 62412, 67613, 77272, 115908, 124824, 125567, 135226, 202839, 231816, 251134, 270452, 376701, 405678, 502268, 540904, 753402, 811356, 878969, 1004536, 1506804, 1622712, 1757938, 2636907, 3013608, 3515876, 5273814, 7031752, 10547628, 21095256]

約数ペア:

[(1, 21095256), (2, 10547628), (3, 7031752), (4, 5273814), (6, 3515876), (7, 3013608), (8, 2636907), (12, 1757938), (13, 1622712), (14, 1506804), (21, 1004536), (24, 878969), (26, 811356), (28, 753402), (39, 540904), (42, 502268), (52, 405678), (56, 376701), (78, 270452), (84, 251134), (91, 231816), (104, 202839), (156, 135226), (168, 125567), (169, 124824), (182, 115908), (273, 77272), (312, 67613), (338, 62412), (364, 57954), (507, 41608), (546, 38636), (676, 31206), (728, 28977), (743, 28392), (1014, 20804), (1092, 19318), (1183, 17832), (1352, 15603), (1486, 14196), (2028, 10402), (2184, 9659), (2229, 9464), (2366, 8916), (2972, 7098), (3549, 5944), (4056, 5201), (4458, 4732)]