21194654

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{5471}}^1$

素因数の和:5635

約数の個数: 16

約数和(自身を含む): 34473600

約数和(自身を除く): 13278946

約数列:

[1, 2, 13, 26, 149, 298, 1937, 3874, 5471, 10942, 71123, 142246, 815179, 1630358, 10597327, 21194654]

約数ペア:

[(1, 21194654), (2, 10597327), (13, 1630358), (26, 815179), (149, 142246), (298, 71123), (1937, 10942), (3874, 5471)]