21505066

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{911}}^1$

素因数の和:990

約数の個数: 32

約数和(自身を含む): 37428480

約数和(自身を除く): 15923414

約数列:

[1, 2, 11, 22, 29, 37, 58, 74, 319, 407, 638, 814, 911, 1073, 1822, 2146, 10021, 11803, 20042, 23606, 26419, 33707, 52838, 67414, 290609, 370777, 581218, 741554, 977503, 1955006, 10752533, 21505066]

約数ペア:

[(1, 21505066), (2, 10752533), (11, 1955006), (22, 977503), (29, 741554), (37, 581218), (58, 370777), (74, 290609), (319, 67414), (407, 52838), (638, 33707), (814, 26419), (911, 23606), (1073, 20042), (1822, 11803), (2146, 10021)]