21755552

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:302

約数の個数: 96

約数和(自身を含む): 54641664

約数和(自身を除く): 32886112

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 224, 241, 248, 364, 403, 416, 434, 482, 496, 728, 806, 868, 964, 992, 1456, 1612, 1687, 1736, 1928, 2821, 2912, 3133, 3224, 3374, 3472, 3856, 5642, 6266, 6448, 6748, 6944, 7471, 7712, 11284, 12532, 12896, 13496, 14942, 21931, 22568, 25064, 26992, 29884, 43862, 45136, 50128, 52297, 53984, 59768, 87724, 90272, 97123, 100256, 104594, 119536, 175448, 194246, 209188, 239072, 350896, 388492, 418376, 679861, 701792, 776984, 836752, 1359722, 1553968, 1673504, 2719444, 3107936, 5438888, 10877776, 21755552]

約数ペア:

[(1, 21755552), (2, 10877776), (4, 5438888), (7, 3107936), (8, 2719444), (13, 1673504), (14, 1553968), (16, 1359722), (26, 836752), (28, 776984), (31, 701792), (32, 679861), (52, 418376), (56, 388492), (62, 350896), (91, 239072), (104, 209188), (112, 194246), (124, 175448), (182, 119536), (208, 104594), (217, 100256), (224, 97123), (241, 90272), (248, 87724), (364, 59768), (403, 53984), (416, 52297), (434, 50128), (482, 45136), (496, 43862), (728, 29884), (806, 26992), (868, 25064), (964, 22568), (992, 21931), (1456, 14942), (1612, 13496), (1687, 12896), (1736, 12532), (1928, 11284), (2821, 7712), (2912, 7471), (3133, 6944), (3224, 6748), (3374, 6448), (3472, 6266), (3856, 5642)]