21792572

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 42910560

約数和(自身を除く): 21117988

約数列:

[1, 2, 4, 17, 29, 34, 43, 58, 68, 86, 116, 172, 257, 493, 514, 731, 986, 1028, 1247, 1462, 1972, 2494, 2924, 4369, 4988, 7453, 8738, 11051, 14906, 17476, 21199, 22102, 29812, 42398, 44204, 84796, 126701, 187867, 253402, 320479, 375734, 506804, 640958, 751468, 1281916, 5448143, 10896286, 21792572]

約数ペア:

[(1, 21792572), (2, 10896286), (4, 5448143), (17, 1281916), (29, 751468), (34, 640958), (43, 506804), (58, 375734), (68, 320479), (86, 253402), (116, 187867), (172, 126701), (257, 84796), (493, 44204), (514, 42398), (731, 29812), (986, 22102), (1028, 21199), (1247, 17476), (1462, 14906), (1972, 11051), (2494, 8738), (2924, 7453), (4369, 4988)]