21520062

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{70327}}^1$

素因数の和:70352

約数の個数: 24

約数和(自身を含む): 49370256

約数和(自身を除く): 27850194

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 70327, 140654, 210981, 421962, 632943, 1195559, 1265886, 2391118, 3586677, 7173354, 10760031, 21520062]

約数ペア:

[(1, 21520062), (2, 10760031), (3, 7173354), (6, 3586677), (9, 2391118), (17, 1265886), (18, 1195559), (34, 632943), (51, 421962), (102, 210981), (153, 140654), (306, 70327)]