21341745

素因数分解:

$3^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1399}}^1$

素因数の和:1526

約数の個数: 32

約数和(自身を含む): 38304000

約数和(自身を除く): 16962255

約数列:

[1, 3, 5, 9, 15, 27, 45, 113, 135, 339, 565, 1017, 1399, 1695, 3051, 4197, 5085, 6995, 12591, 15255, 20985, 37773, 62955, 158087, 188865, 474261, 790435, 1422783, 2371305, 4268349, 7113915, 21341745]

約数ペア:

[(1, 21341745), (3, 7113915), (5, 4268349), (9, 2371305), (15, 1422783), (27, 790435), (45, 474261), (113, 188865), (135, 158087), (339, 62955), (565, 37773), (1017, 20985), (1399, 15255), (1695, 12591), (3051, 6995), (4197, 5085)]