21000762306

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{227473}}^1$

素因数の和:227727

約数の個数: 48

約数和(自身を含む): 47693108736

約数和(自身を除く): 26692346430

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 223, 414, 446, 669, 1338, 2007, 4014, 5129, 10258, 15387, 30774, 46161, 92322, 227473, 454946, 682419, 1364838, 2047257, 4094514, 5231879, 10463758, 15695637, 31391274, 47086911, 50726479, 94173822, 101452958, 152179437, 304358874, 456538311, 913076622, 1166709017, 2333418034, 3500127051, 7000254102, 10500381153, 21000762306]

約数ペア:

[(1, 21000762306), (2, 10500381153), (3, 7000254102), (6, 3500127051), (9, 2333418034), (18, 1166709017), (23, 913076622), (46, 456538311), (69, 304358874), (138, 152179437), (207, 101452958), (223, 94173822), (414, 50726479), (446, 47086911), (669, 31391274), (1338, 15695637), (2007, 10463758), (4014, 5231879), (5129, 4094514), (10258, 2047257), (15387, 1364838), (30774, 682419), (46161, 454946), (92322, 227473)]