21621675

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{9941}}^1$

素因数の和:9983

約数の個数: 24

約数和(自身を含む): 36984240

約数和(自身を除く): 15362565

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 9941, 29823, 49705, 149115, 248525, 288289, 745575, 864867, 1441445, 4324335, 7207225, 21621675]

約数ペア:

[(1, 21621675), (3, 7207225), (5, 4324335), (15, 1441445), (25, 864867), (29, 745575), (75, 288289), (87, 248525), (145, 149115), (435, 49705), (725, 29823), (2175, 9941)]