21919980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{365333}}^1$

素因数の和:365345

約数の個数: 24

約数和(自身を含む): 61376112

約数和(自身を除く): 39456132

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 365333, 730666, 1095999, 1461332, 1826665, 2191998, 3653330, 4383996, 5479995, 7306660, 10959990, 21919980]

約数ペア:

[(1, 21919980), (2, 10959990), (3, 7306660), (4, 5479995), (5, 4383996), (6, 3653330), (10, 2191998), (12, 1826665), (15, 1461332), (20, 1095999), (30, 730666), (60, 365333)]