21663134

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{7159}}^1$

素因数の和:7267

約数の個数: 16

約数和(自身を含む): 34797600

約数和(自身を除く): 13134466

約数列:

[1, 2, 17, 34, 89, 178, 1513, 3026, 7159, 14318, 121703, 243406, 637151, 1274302, 10831567, 21663134]

約数ペア:

[(1, 21663134), (2, 10831567), (17, 1274302), (34, 637151), (89, 243406), (178, 121703), (1513, 14318), (3026, 7159)]