21851790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{25117}}^1$

素因数の和:25156

約数の個数: 32

約数和(自身を含む): 54254880

約数和(自身を除く): 32403090

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870, 25117, 50234, 75351, 125585, 150702, 251170, 376755, 728393, 753510, 1456786, 2185179, 3641965, 4370358, 7283930, 10925895, 21851790]

約数ペア:

[(1, 21851790), (2, 10925895), (3, 7283930), (5, 4370358), (6, 3641965), (10, 2185179), (15, 1456786), (29, 753510), (30, 728393), (58, 376755), (87, 251170), (145, 150702), (174, 125585), (290, 75351), (435, 50234), (870, 25117)]