21092310

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1789}}^1$

素因数の和:1933

約数の個数: 48

約数和(自身を含む): 55289520

約数和(自身を除く): 34197210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 131, 262, 393, 655, 786, 1179, 1310, 1789, 1965, 2358, 3578, 3930, 5367, 5895, 8945, 10734, 11790, 16101, 17890, 26835, 32202, 53670, 80505, 161010, 234359, 468718, 703077, 1171795, 1406154, 2109231, 2343590, 3515385, 4218462, 7030770, 10546155, 21092310]

約数ペア:

[(1, 21092310), (2, 10546155), (3, 7030770), (5, 4218462), (6, 3515385), (9, 2343590), (10, 2109231), (15, 1406154), (18, 1171795), (30, 703077), (45, 468718), (90, 234359), (131, 161010), (262, 80505), (393, 53670), (655, 32202), (786, 26835), (1179, 17890), (1310, 16101), (1789, 11790), (1965, 10734), (2358, 8945), (3578, 5895), (3930, 5367)]