21070742

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2243}}^1$

素因数の和:2324

約数の個数: 32

約数和(自身を含む): 40068864

約数和(自身を除く): 18998122

約数列:

[1, 2, 7, 11, 14, 22, 61, 77, 122, 154, 427, 671, 854, 1342, 2243, 4486, 4697, 9394, 15701, 24673, 31402, 49346, 136823, 172711, 273646, 345422, 957761, 1505053, 1915522, 3010106, 10535371, 21070742]

約数ペア:

[(1, 21070742), (2, 10535371), (7, 3010106), (11, 1915522), (14, 1505053), (22, 957761), (61, 345422), (77, 273646), (122, 172711), (154, 136823), (427, 49346), (671, 31402), (854, 24673), (1342, 15701), (2243, 9394), (4486, 4697)]