21896748

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{967}}^1$

素因数の和:1031

約数の個数: 72

約数和(自身を含む): 60252192

約数和(自身を除く): 38355444

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 37, 51, 68, 74, 102, 111, 148, 153, 204, 222, 306, 333, 444, 612, 629, 666, 967, 1258, 1332, 1887, 1934, 2516, 2901, 3774, 3868, 5661, 5802, 7548, 8703, 11322, 11604, 16439, 17406, 22644, 32878, 34812, 35779, 49317, 65756, 71558, 98634, 107337, 143116, 147951, 197268, 214674, 295902, 322011, 429348, 591804, 608243, 644022, 1216486, 1288044, 1824729, 2432972, 3649458, 5474187, 7298916, 10948374, 21896748]

約数ペア:

[(1, 21896748), (2, 10948374), (3, 7298916), (4, 5474187), (6, 3649458), (9, 2432972), (12, 1824729), (17, 1288044), (18, 1216486), (34, 644022), (36, 608243), (37, 591804), (51, 429348), (68, 322011), (74, 295902), (102, 214674), (111, 197268), (148, 147951), (153, 143116), (204, 107337), (222, 98634), (306, 71558), (333, 65756), (444, 49317), (612, 35779), (629, 34812), (666, 32878), (967, 22644), (1258, 17406), (1332, 16439), (1887, 11604), (1934, 11322), (2516, 8703), (2901, 7548), (3774, 5802), (3868, 5661)]