21817494

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:150

約数の個数: 96

約数和(自身を含む): 53778816

約数和(自身を除く): 31961322

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 37, 41, 47, 51, 74, 82, 94, 102, 111, 123, 141, 153, 222, 246, 282, 306, 333, 369, 423, 629, 666, 697, 738, 799, 846, 1258, 1394, 1517, 1598, 1739, 1887, 1927, 2091, 2397, 3034, 3478, 3774, 3854, 4182, 4551, 4794, 5217, 5661, 5781, 6273, 7191, 9102, 10434, 11322, 11562, 12546, 13653, 14382, 15651, 17343, 25789, 27306, 29563, 31302, 32759, 34686, 51578, 59126, 65518, 71299, 77367, 88689, 98277, 142598, 154734, 177378, 196554, 213897, 232101, 266067, 294831, 427794, 464202, 532134, 589662, 641691, 1212083, 1283382, 2424166, 3636249, 7272498, 10908747, 21817494]

約数ペア:

[(1, 21817494), (2, 10908747), (3, 7272498), (6, 3636249), (9, 2424166), (17, 1283382), (18, 1212083), (34, 641691), (37, 589662), (41, 532134), (47, 464202), (51, 427794), (74, 294831), (82, 266067), (94, 232101), (102, 213897), (111, 196554), (123, 177378), (141, 154734), (153, 142598), (222, 98277), (246, 88689), (282, 77367), (306, 71299), (333, 65518), (369, 59126), (423, 51578), (629, 34686), (666, 32759), (697, 31302), (738, 29563), (799, 27306), (846, 25789), (1258, 17343), (1394, 15651), (1517, 14382), (1598, 13653), (1739, 12546), (1887, 11562), (1927, 11322), (2091, 10434), (2397, 9102), (3034, 7191), (3478, 6273), (3774, 5781), (3854, 5661), (4182, 5217), (4551, 4794)]