21519624

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{631}}^1$

素因数の和:683

約数の個数: 96

約数和(自身を含む): 64843200

約数和(自身を除く): 43323576

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 29, 42, 49, 56, 58, 84, 87, 98, 116, 147, 168, 174, 196, 203, 232, 294, 348, 392, 406, 588, 609, 631, 696, 812, 1176, 1218, 1262, 1421, 1624, 1893, 2436, 2524, 2842, 3786, 4263, 4417, 4872, 5048, 5684, 7572, 8526, 8834, 11368, 13251, 15144, 17052, 17668, 18299, 26502, 30919, 34104, 35336, 36598, 53004, 54897, 61838, 73196, 92757, 106008, 109794, 123676, 128093, 146392, 185514, 219588, 247352, 256186, 371028, 384279, 439176, 512372, 742056, 768558, 896651, 1024744, 1537116, 1793302, 2689953, 3074232, 3586604, 5379906, 7173208, 10759812, 21519624]

約数ペア:

[(1, 21519624), (2, 10759812), (3, 7173208), (4, 5379906), (6, 3586604), (7, 3074232), (8, 2689953), (12, 1793302), (14, 1537116), (21, 1024744), (24, 896651), (28, 768558), (29, 742056), (42, 512372), (49, 439176), (56, 384279), (58, 371028), (84, 256186), (87, 247352), (98, 219588), (116, 185514), (147, 146392), (168, 128093), (174, 123676), (196, 109794), (203, 106008), (232, 92757), (294, 73196), (348, 61838), (392, 54897), (406, 53004), (588, 36598), (609, 35336), (631, 34104), (696, 30919), (812, 26502), (1176, 18299), (1218, 17668), (1262, 17052), (1421, 15144), (1624, 13251), (1893, 11368), (2436, 8834), (2524, 8526), (2842, 7572), (3786, 5684), (4263, 5048), (4417, 4872)]