21209190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{706973}}^1$

素因数の和:706983

約数の個数: 16

約数和(自身を含む): 50902128

約数和(自身を除く): 29692938

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 706973, 1413946, 2120919, 3534865, 4241838, 7069730, 10604595, 21209190]

約数ペア:

[(1, 21209190), (2, 10604595), (3, 7069730), (5, 4241838), (6, 3534865), (10, 2120919), (15, 1413946), (30, 706973)]