21007546

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1447}}^1$

素因数の和:1534

約数の個数: 32

約数和(自身を含む): 38783232

約数和(自身を除く): 17775686

約数列:

[1, 2, 7, 14, 17, 34, 61, 119, 122, 238, 427, 854, 1037, 1447, 2074, 2894, 7259, 10129, 14518, 20258, 24599, 49198, 88267, 172193, 176534, 344386, 617869, 1235738, 1500539, 3001078, 10503773, 21007546]

約数ペア:

[(1, 21007546), (2, 10503773), (7, 3001078), (14, 1500539), (17, 1235738), (34, 617869), (61, 344386), (119, 176534), (122, 172193), (238, 88267), (427, 49198), (854, 24599), (1037, 20258), (1447, 14518), (2074, 10129), (2894, 7259)]