21657432

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^3\times {\mathrm{37}}^1$

素因数の和:133

約数の個数: 64

約数和(自身を含む): 57592800

約数和(自身を除く): 35935368

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 37, 58, 74, 87, 111, 116, 148, 174, 222, 232, 296, 348, 444, 696, 841, 888, 1073, 1682, 2146, 2523, 3219, 3364, 4292, 5046, 6438, 6728, 8584, 10092, 12876, 20184, 24389, 25752, 31117, 48778, 62234, 73167, 93351, 97556, 124468, 146334, 186702, 195112, 248936, 292668, 373404, 585336, 746808, 902393, 1804786, 2707179, 3609572, 5414358, 7219144, 10828716, 21657432]

約数ペア:

[(1, 21657432), (2, 10828716), (3, 7219144), (4, 5414358), (6, 3609572), (8, 2707179), (12, 1804786), (24, 902393), (29, 746808), (37, 585336), (58, 373404), (74, 292668), (87, 248936), (111, 195112), (116, 186702), (148, 146334), (174, 124468), (222, 97556), (232, 93351), (296, 73167), (348, 62234), (444, 48778), (696, 31117), (841, 25752), (888, 24389), (1073, 20184), (1682, 12876), (2146, 10092), (2523, 8584), (3219, 6728), (3364, 6438), (4292, 5046)]