21463071

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1201}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 35079168

約数和(自身を除く): 13616097

約数列:

[1, 3, 7, 21, 23, 37, 69, 111, 161, 259, 483, 777, 851, 1201, 2553, 3603, 5957, 8407, 17871, 25221, 27623, 44437, 82869, 133311, 193361, 311059, 580083, 933177, 1022051, 3066153, 7154357, 21463071]

約数ペア:

[(1, 21463071), (3, 7154357), (7, 3066153), (21, 1022051), (23, 933177), (37, 580083), (69, 311059), (111, 193361), (161, 133311), (259, 82869), (483, 44437), (777, 27623), (851, 25221), (1201, 17871), (2553, 8407), (3603, 5957)]