21483735

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15739}}^1$

素因数の和:15767

約数の個数: 32

約数和(自身を含む): 42309120

約数和(自身を除く): 20825385

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 15739, 47217, 78695, 110173, 204607, 236085, 330519, 550865, 613821, 1023035, 1432249, 1652595, 3069105, 4296747, 7161245, 21483735]

約数ペア:

[(1, 21483735), (3, 7161245), (5, 4296747), (7, 3069105), (13, 1652595), (15, 1432249), (21, 1023035), (35, 613821), (39, 550865), (65, 330519), (91, 236085), (105, 204607), (195, 110173), (273, 78695), (455, 47217), (1365, 15739)]