21349290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{30941}}^1$

素因数の和:30974

約数の個数: 32

約数和(自身を含む): 53467776

約数和(自身を除く): 32118486

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 30941, 61882, 92823, 154705, 185646, 309410, 464115, 711643, 928230, 1423286, 2134929, 3558215, 4269858, 7116430, 10674645, 21349290]

約数ペア:

[(1, 21349290), (2, 10674645), (3, 7116430), (5, 4269858), (6, 3558215), (10, 2134929), (15, 1423286), (23, 928230), (30, 711643), (46, 464115), (69, 309410), (115, 185646), (138, 154705), (230, 92823), (345, 61882), (690, 30941)]