21573912

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 56448000

約数和(自身を除く): 34874088

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 87, 116, 139, 174, 223, 232, 278, 348, 417, 446, 556, 669, 696, 834, 892, 1112, 1338, 1668, 1784, 2676, 3336, 4031, 5352, 6467, 8062, 12093, 12934, 16124, 19401, 24186, 25868, 30997, 32248, 38802, 48372, 51736, 61994, 77604, 92991, 96744, 123988, 155208, 185982, 247976, 371964, 743928, 898913, 1797826, 2696739, 3595652, 5393478, 7191304, 10786956, 21573912]

約数ペア:

[(1, 21573912), (2, 10786956), (3, 7191304), (4, 5393478), (6, 3595652), (8, 2696739), (12, 1797826), (24, 898913), (29, 743928), (58, 371964), (87, 247976), (116, 185982), (139, 155208), (174, 123988), (223, 96744), (232, 92991), (278, 77604), (348, 61994), (417, 51736), (446, 48372), (556, 38802), (669, 32248), (696, 30997), (834, 25868), (892, 24186), (1112, 19401), (1338, 16124), (1668, 12934), (1784, 12093), (2676, 8062), (3336, 6467), (4031, 5352)]