21011632

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{27941}}^1$

素因数の和:27996

約数の個数: 20

約数和(自身を含む): 41577696

約数和(自身を除く): 20566064

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 27941, 55882, 111764, 223528, 447056, 1313227, 2626454, 5252908, 10505816, 21011632]

約数ペア:

[(1, 21011632), (2, 10505816), (4, 5252908), (8, 2626454), (16, 1313227), (47, 447056), (94, 223528), (188, 111764), (376, 55882), (752, 27941)]