21381950

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{18593}}^1$

素因数の和:18628

約数の個数: 24

約数和(自身を含む): 41501808

約数和(自身を除く): 20119858

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 575, 1150, 18593, 37186, 92965, 185930, 427639, 464825, 855278, 929650, 2138195, 4276390, 10690975, 21381950]

約数ペア:

[(1, 21381950), (2, 10690975), (5, 4276390), (10, 2138195), (23, 929650), (25, 855278), (46, 464825), (50, 427639), (115, 185930), (230, 92965), (575, 37186), (1150, 18593)]