21873712

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^2\times {\mathrm{541}}^1$

素因数の和:594

約数の個数: 60

約数和(自身を含む): 51212496

約数和(自身を除く): 29338784

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 361, 532, 541, 722, 1064, 1082, 1444, 2128, 2164, 2527, 2888, 3787, 4328, 5054, 5776, 7574, 8656, 10108, 10279, 15148, 20216, 20558, 30296, 40432, 41116, 60592, 71953, 82232, 143906, 164464, 195301, 287812, 390602, 575624, 781204, 1151248, 1367107, 1562408, 2734214, 3124816, 5468428, 10936856, 21873712]

約数ペア:

[(1, 21873712), (2, 10936856), (4, 5468428), (7, 3124816), (8, 2734214), (14, 1562408), (16, 1367107), (19, 1151248), (28, 781204), (38, 575624), (56, 390602), (76, 287812), (112, 195301), (133, 164464), (152, 143906), (266, 82232), (304, 71953), (361, 60592), (532, 41116), (541, 40432), (722, 30296), (1064, 20558), (1082, 20216), (1444, 15148), (2128, 10279), (2164, 10108), (2527, 8656), (2888, 7574), (3787, 5776), (4328, 5054)]