21756226

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{659}}^1\times {\mathrm{971}}^1$

素因数の和:1649

約数の個数: 16

約数和(自身を含む): 34642080

約数和(自身を除く): 12885854

約数列:

[1, 2, 17, 34, 659, 971, 1318, 1942, 11203, 16507, 22406, 33014, 639889, 1279778, 10878113, 21756226]

約数ペア:

[(1, 21756226), (2, 10878113), (17, 1279778), (34, 639889), (659, 33014), (971, 22406), (1318, 16507), (1942, 11203)]