21411804981

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{73127}}^1$

素因数の和:73401

約数の個数: 32

約数和(自身を含む): 33248083968

約数和(自身を除く): 11836278987

約数列:

[1, 3, 7, 21, 73, 191, 219, 511, 573, 1337, 1533, 4011, 13943, 41829, 73127, 97601, 219381, 292803, 511889, 1535667, 5338271, 13967257, 16014813, 37367897, 41901771, 97770799, 112103691, 293312397, 1019609761, 3058829283, 7137268327, 21411804981]

約数ペア:

[(1, 21411804981), (3, 7137268327), (7, 3058829283), (21, 1019609761), (73, 293312397), (191, 112103691), (219, 97770799), (511, 41901771), (573, 37367897), (1337, 16014813), (1533, 13967257), (4011, 5338271), (13943, 1535667), (41829, 511889), (73127, 292803), (97601, 219381)]