21832305

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{431}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 38320128

約数和(自身を除く): 16487823

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 307, 431, 921, 1293, 1535, 2155, 3377, 4605, 4741, 6465, 10131, 14223, 16885, 23705, 50655, 71115, 132317, 396951, 661585, 1455487, 1984755, 4366461, 7277435, 21832305]

約数ペア:

[(1, 21832305), (3, 7277435), (5, 4366461), (11, 1984755), (15, 1455487), (33, 661585), (55, 396951), (165, 132317), (307, 71115), (431, 50655), (921, 23705), (1293, 16885), (1535, 14223), (2155, 10131), (3377, 6465), (4605, 4741)]