21095940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{351599}}^1$

素因数の和:351611

約数の個数: 24

約数和(自身を含む): 59068800

約数和(自身を除く): 37972860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 351599, 703198, 1054797, 1406396, 1757995, 2109594, 3515990, 4219188, 5273985, 7031980, 10547970, 21095940]

約数ペア:

[(1, 21095940), (2, 10547970), (3, 7031980), (4, 5273985), (5, 4219188), (6, 3515990), (10, 2109594), (12, 1757995), (15, 1406396), (20, 1054797), (30, 703198), (60, 351599)]