21001530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2767}}^1$

素因数の和:2811

約数の個数: 64

約数和(自身を含む): 57397248

約数和(自身を除く): 36395718

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 33, 46, 55, 66, 69, 110, 115, 138, 165, 230, 253, 330, 345, 506, 690, 759, 1265, 1518, 2530, 2767, 3795, 5534, 7590, 8301, 13835, 16602, 27670, 30437, 41505, 60874, 63641, 83010, 91311, 127282, 152185, 182622, 190923, 304370, 318205, 381846, 456555, 636410, 700051, 913110, 954615, 1400102, 1909230, 2100153, 3500255, 4200306, 7000510, 10500765, 21001530]

約数ペア:

[(1, 21001530), (2, 10500765), (3, 7000510), (5, 4200306), (6, 3500255), (10, 2100153), (11, 1909230), (15, 1400102), (22, 954615), (23, 913110), (30, 700051), (33, 636410), (46, 456555), (55, 381846), (66, 318205), (69, 304370), (110, 190923), (115, 182622), (138, 152185), (165, 127282), (230, 91311), (253, 83010), (330, 63641), (345, 60874), (506, 41505), (690, 30437), (759, 27670), (1265, 16602), (1518, 13835), (2530, 8301), (2767, 7590), (3795, 5534)]