21269822

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{751}}^1$

素因数の和:801

約数の個数: 36

約数和(自身を含む): 39477744

約数和(自身を除く): 18207922

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 289, 578, 751, 833, 1502, 1666, 2023, 4046, 5257, 10514, 12767, 14161, 25534, 28322, 36799, 73598, 89369, 178738, 217039, 434078, 625583, 1251166, 1519273, 3038546, 10634911, 21269822]

約数ペア:

[(1, 21269822), (2, 10634911), (7, 3038546), (14, 1519273), (17, 1251166), (34, 625583), (49, 434078), (98, 217039), (119, 178738), (238, 89369), (289, 73598), (578, 36799), (751, 28322), (833, 25534), (1502, 14161), (1666, 12767), (2023, 10514), (4046, 5257)]