21526029

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 38188800

約数和(自身を除く): 16662771

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 101, 119, 153, 199, 303, 357, 597, 707, 909, 1071, 1393, 1717, 1791, 2121, 3383, 4179, 5151, 6363, 10149, 12019, 12537, 15453, 20099, 23681, 30447, 36057, 60297, 71043, 108171, 140693, 180891, 213129, 341683, 422079, 1025049, 1266237, 2391781, 3075147, 7175343, 21526029]

約数ペア:

[(1, 21526029), (3, 7175343), (7, 3075147), (9, 2391781), (17, 1266237), (21, 1025049), (51, 422079), (63, 341683), (101, 213129), (119, 180891), (153, 140693), (199, 108171), (303, 71043), (357, 60297), (597, 36057), (707, 30447), (909, 23681), (1071, 20099), (1393, 15453), (1717, 12537), (1791, 12019), (2121, 10149), (3383, 6363), (4179, 5151)]