21464115

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2053}}^1$

素因数の和:2119

約数の個数: 32

約数和(自身を含む): 37267776

約数和(自身を除く): 15803661

約数列:

[1, 3, 5, 15, 17, 41, 51, 85, 123, 205, 255, 615, 697, 2053, 2091, 3485, 6159, 10265, 10455, 30795, 34901, 84173, 104703, 174505, 252519, 420865, 523515, 1262595, 1430941, 4292823, 7154705, 21464115]

約数ペア:

[(1, 21464115), (3, 7154705), (5, 4292823), (15, 1430941), (17, 1262595), (41, 523515), (51, 420865), (85, 252519), (123, 174505), (205, 104703), (255, 84173), (615, 34901), (697, 30795), (2053, 10455), (2091, 10265), (3485, 6159)]