21842895

素因数分解:

$3^1\times 5^1\times {\mathrm{607}}^1\times {\mathrm{2399}}^1$

素因数の和:3014

約数の個数: 16

約数和(自身を含む): 35020800

約数和(自身を除く): 13177905

約数列:

[1, 3, 5, 15, 607, 1821, 2399, 3035, 7197, 9105, 11995, 35985, 1456193, 4368579, 7280965, 21842895]

約数ペア:

[(1, 21842895), (3, 7280965), (5, 4368579), (15, 1456193), (607, 35985), (1821, 11995), (2399, 9105), (3035, 7197)]