21905352

素因数分解:

$2^3\times 3^2\times 7^3\times {\mathrm{887}}^1$

素因数の和:920

約数の個数: 96

約数和(自身を含む): 69264000

約数和(自身を除く): 47358648

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 343, 392, 441, 504, 588, 686, 882, 887, 1029, 1176, 1372, 1764, 1774, 2058, 2661, 2744, 3087, 3528, 3548, 4116, 5322, 6174, 6209, 7096, 7983, 8232, 10644, 12348, 12418, 15966, 18627, 21288, 24696, 24836, 31932, 37254, 43463, 49672, 55881, 63864, 74508, 86926, 111762, 130389, 149016, 173852, 223524, 260778, 304241, 347704, 391167, 447048, 521556, 608482, 782334, 912723, 1043112, 1216964, 1564668, 1825446, 2433928, 2738169, 3129336, 3650892, 5476338, 7301784, 10952676, 21905352]

約数ペア:

[(1, 21905352), (2, 10952676), (3, 7301784), (4, 5476338), (6, 3650892), (7, 3129336), (8, 2738169), (9, 2433928), (12, 1825446), (14, 1564668), (18, 1216964), (21, 1043112), (24, 912723), (28, 782334), (36, 608482), (42, 521556), (49, 447048), (56, 391167), (63, 347704), (72, 304241), (84, 260778), (98, 223524), (126, 173852), (147, 149016), (168, 130389), (196, 111762), (252, 86926), (294, 74508), (343, 63864), (392, 55881), (441, 49672), (504, 43463), (588, 37254), (686, 31932), (882, 24836), (887, 24696), (1029, 21288), (1176, 18627), (1372, 15966), (1764, 12418), (1774, 12348), (2058, 10644), (2661, 8232), (2744, 7983), (3087, 7096), (3528, 6209), (3548, 6174), (4116, 5322)]