21889088

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{26309}}^1$

素因数の和:26334

約数の個数: 28

約数和(自身を含む): 46779180

約数和(自身を除く): 24890092

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 26309, 52618, 105236, 210472, 342017, 420944, 684034, 841888, 1368068, 1683776, 2736136, 5472272, 10944544, 21889088]

約数ペア:

[(1, 21889088), (2, 10944544), (4, 5472272), (8, 2736136), (13, 1683776), (16, 1368068), (26, 841888), (32, 684034), (52, 420944), (64, 342017), (104, 210472), (208, 105236), (416, 52618), (832, 26309)]