21906864

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:335

約数の個数: 120

約数和(自身を含む): 71082752

約数和(自身を除く): 49175888

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 103, 112, 126, 144, 168, 206, 211, 252, 309, 336, 412, 422, 504, 618, 633, 721, 824, 844, 927, 1008, 1236, 1266, 1442, 1477, 1648, 1688, 1854, 1899, 2163, 2472, 2532, 2884, 2954, 3376, 3708, 3798, 4326, 4431, 4944, 5064, 5768, 5908, 6489, 7416, 7596, 8652, 8862, 10128, 11536, 11816, 12978, 13293, 14832, 15192, 17304, 17724, 21733, 23632, 25956, 26586, 30384, 34608, 35448, 43466, 51912, 53172, 65199, 70896, 86932, 103824, 106344, 130398, 152131, 173864, 195597, 212688, 260796, 304262, 347728, 391194, 456393, 521592, 608524, 782388, 912786, 1043184, 1217048, 1369179, 1564776, 1825572, 2434096, 2738358, 3129552, 3651144, 5476716, 7302288, 10953432, 21906864]

約数ペア:

[(1, 21906864), (2, 10953432), (3, 7302288), (4, 5476716), (6, 3651144), (7, 3129552), (8, 2738358), (9, 2434096), (12, 1825572), (14, 1564776), (16, 1369179), (18, 1217048), (21, 1043184), (24, 912786), (28, 782388), (36, 608524), (42, 521592), (48, 456393), (56, 391194), (63, 347728), (72, 304262), (84, 260796), (103, 212688), (112, 195597), (126, 173864), (144, 152131), (168, 130398), (206, 106344), (211, 103824), (252, 86932), (309, 70896), (336, 65199), (412, 53172), (422, 51912), (504, 43466), (618, 35448), (633, 34608), (721, 30384), (824, 26586), (844, 25956), (927, 23632), (1008, 21733), (1236, 17724), (1266, 17304), (1442, 15192), (1477, 14832), (1648, 13293), (1688, 12978), (1854, 11816), (1899, 11536), (2163, 10128), (2472, 8862), (2532, 8652), (2884, 7596), (2954, 7416), (3376, 6489), (3708, 5908), (3798, 5768), (4326, 5064), (4431, 4944)]