21694192

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:218

約数の個数: 60

約数和(自身を含む): 46563984

約数和(自身を除く): 24869792

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 113, 142, 169, 208, 226, 284, 338, 452, 568, 676, 904, 923, 1136, 1352, 1469, 1808, 1846, 2704, 2938, 3692, 5876, 7384, 8023, 11752, 11999, 14768, 16046, 19097, 23504, 23998, 32092, 38194, 47996, 64184, 76388, 95992, 104299, 128368, 152776, 191984, 208598, 305552, 417196, 834392, 1355887, 1668784, 2711774, 5423548, 10847096, 21694192]

約数ペア:

[(1, 21694192), (2, 10847096), (4, 5423548), (8, 2711774), (13, 1668784), (16, 1355887), (26, 834392), (52, 417196), (71, 305552), (104, 208598), (113, 191984), (142, 152776), (169, 128368), (208, 104299), (226, 95992), (284, 76388), (338, 64184), (452, 47996), (568, 38194), (676, 32092), (904, 23998), (923, 23504), (1136, 19097), (1352, 16046), (1469, 14768), (1808, 11999), (1846, 11752), (2704, 8023), (2938, 7384), (3692, 5876)]