21353618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{379}}^1$

素因数の和:602

約数の個数: 32

約数和(自身を含む): 37920960

約数和(自身を除く): 16567342

約数列:

[1, 2, 11, 13, 22, 26, 143, 197, 286, 379, 394, 758, 2167, 2561, 4169, 4334, 4927, 5122, 8338, 9854, 28171, 54197, 56342, 74663, 108394, 149326, 821293, 970619, 1642586, 1941238, 10676809, 21353618]

約数ペア:

[(1, 21353618), (2, 10676809), (11, 1941238), (13, 1642586), (22, 970619), (26, 821293), (143, 149326), (197, 108394), (286, 74663), (379, 56342), (394, 54197), (758, 28171), (2167, 9854), (2561, 8338), (4169, 5122), (4334, 4927)]