21823172

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{127}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 49158144

約数和(自身を除く): 27334972

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 76, 119, 127, 133, 238, 254, 266, 323, 361, 476, 508, 532, 646, 722, 889, 1292, 1444, 1778, 2159, 2261, 2413, 2527, 3556, 4318, 4522, 4826, 5054, 6137, 8636, 9044, 9652, 10108, 12274, 15113, 16891, 24548, 30226, 33782, 41021, 42959, 45847, 60452, 67564, 82042, 85918, 91694, 164084, 171836, 183388, 287147, 320929, 574294, 641858, 779399, 1148588, 1283716, 1558798, 3117596, 5455793, 10911586, 21823172]

約数ペア:

[(1, 21823172), (2, 10911586), (4, 5455793), (7, 3117596), (14, 1558798), (17, 1283716), (19, 1148588), (28, 779399), (34, 641858), (38, 574294), (68, 320929), (76, 287147), (119, 183388), (127, 171836), (133, 164084), (238, 91694), (254, 85918), (266, 82042), (323, 67564), (361, 60452), (476, 45847), (508, 42959), (532, 41021), (646, 33782), (722, 30226), (889, 24548), (1292, 16891), (1444, 15113), (1778, 12274), (2159, 10108), (2261, 9652), (2413, 9044), (2527, 8636), (3556, 6137), (4318, 5054), (4522, 4826)]