21086802

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{379}}^1$

素因数の和:679

約数の個数: 48

約数和(自身を含む): 50150880

約数和(自身を除く): 29064078

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 281, 379, 562, 758, 843, 1137, 1686, 2274, 2529, 3091, 3411, 4169, 5058, 6182, 6822, 8338, 9273, 12507, 18546, 25014, 27819, 37521, 55638, 75042, 106499, 212998, 319497, 638994, 958491, 1171489, 1916982, 2342978, 3514467, 7028934, 10543401, 21086802]

約数ペア:

[(1, 21086802), (2, 10543401), (3, 7028934), (6, 3514467), (9, 2342978), (11, 1916982), (18, 1171489), (22, 958491), (33, 638994), (66, 319497), (99, 212998), (198, 106499), (281, 75042), (379, 55638), (562, 37521), (758, 27819), (843, 25014), (1137, 18546), (1686, 12507), (2274, 9273), (2529, 8338), (3091, 6822), (3411, 6182), (4169, 5058)]