21554192

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:192

約数の個数: 80

約数和(自身を含む): 48746880

約数和(自身を除く): 27192688

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 41, 44, 58, 82, 88, 103, 116, 164, 176, 206, 232, 319, 328, 412, 451, 464, 638, 656, 824, 902, 1133, 1189, 1276, 1648, 1804, 2266, 2378, 2552, 2987, 3608, 4223, 4532, 4756, 5104, 5974, 7216, 8446, 9064, 9512, 11948, 13079, 16892, 18128, 19024, 23896, 26158, 32857, 33784, 46453, 47792, 52316, 65714, 67568, 92906, 104632, 122467, 131428, 185812, 209264, 244934, 262856, 371624, 489868, 525712, 743248, 979736, 1347137, 1959472, 2694274, 5388548, 10777096, 21554192]

約数ペア:

[(1, 21554192), (2, 10777096), (4, 5388548), (8, 2694274), (11, 1959472), (16, 1347137), (22, 979736), (29, 743248), (41, 525712), (44, 489868), (58, 371624), (82, 262856), (88, 244934), (103, 209264), (116, 185812), (164, 131428), (176, 122467), (206, 104632), (232, 92906), (319, 67568), (328, 65714), (412, 52316), (451, 47792), (464, 46453), (638, 33784), (656, 32857), (824, 26158), (902, 23896), (1133, 19024), (1189, 18128), (1276, 16892), (1648, 13079), (1804, 11948), (2266, 9512), (2378, 9064), (2552, 8446), (2987, 7216), (3608, 5974), (4223, 5104), (4532, 4756)]