21503691

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4259}}^1$

素因数の和:4296

約数の個数: 32

約数和(自身を含む): 36806400

約数和(自身を除く): 15302709

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 99, 153, 187, 297, 459, 561, 1683, 4259, 5049, 12777, 38331, 46849, 72403, 114993, 140547, 217209, 421641, 651627, 796433, 1264923, 1954881, 2389299, 7167897, 21503691]

約数ペア:

[(1, 21503691), (3, 7167897), (9, 2389299), (11, 1954881), (17, 1264923), (27, 796433), (33, 651627), (51, 421641), (99, 217209), (153, 140547), (187, 114993), (297, 72403), (459, 46849), (561, 38331), (1683, 12777), (4259, 5049)]