21858732

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{683}}^1$

素因数の和:827

約数の個数: 72

約数和(自身を含む): 63737856

約数和(自身を除く): 41879124

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 127, 252, 254, 381, 508, 683, 762, 889, 1143, 1366, 1524, 1778, 2049, 2286, 2667, 2732, 3556, 4098, 4572, 4781, 5334, 6147, 8001, 8196, 9562, 10668, 12294, 14343, 16002, 19124, 24588, 28686, 32004, 43029, 57372, 86058, 86741, 172116, 173482, 260223, 346964, 520446, 607187, 780669, 1040892, 1214374, 1561338, 1821561, 2428748, 3122676, 3643122, 5464683, 7286244, 10929366, 21858732]

約数ペア:

[(1, 21858732), (2, 10929366), (3, 7286244), (4, 5464683), (6, 3643122), (7, 3122676), (9, 2428748), (12, 1821561), (14, 1561338), (18, 1214374), (21, 1040892), (28, 780669), (36, 607187), (42, 520446), (63, 346964), (84, 260223), (126, 173482), (127, 172116), (252, 86741), (254, 86058), (381, 57372), (508, 43029), (683, 32004), (762, 28686), (889, 24588), (1143, 19124), (1366, 16002), (1524, 14343), (1778, 12294), (2049, 10668), (2286, 9562), (2667, 8196), (2732, 8001), (3556, 6147), (4098, 5334), (4572, 4781)]