21693496

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{853}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 47192040

約数和(自身を除く): 25498544

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 289, 374, 578, 748, 853, 1156, 1496, 1706, 2312, 3179, 3412, 6358, 6824, 9383, 12716, 14501, 18766, 25432, 29002, 37532, 58004, 75064, 116008, 159511, 246517, 319022, 493034, 638044, 986068, 1276088, 1972136, 2711687, 5423374, 10846748, 21693496]

約数ペア:

[(1, 21693496), (2, 10846748), (4, 5423374), (8, 2711687), (11, 1972136), (17, 1276088), (22, 986068), (34, 638044), (44, 493034), (68, 319022), (88, 246517), (136, 159511), (187, 116008), (289, 75064), (374, 58004), (578, 37532), (748, 29002), (853, 25432), (1156, 18766), (1496, 14501), (1706, 12716), (2312, 9383), (3179, 6824), (3412, 6358)]