21373669149

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1\times {\mathrm{68821}}^1$

素因数の和:69497

約数の個数: 32

約数和(自身を含む): 34038810624

約数和(自身を除く): 12665141475

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 643, 1929, 4501, 13503, 14789, 44367, 68821, 103523, 206463, 310569, 481747, 1445241, 1582883, 4748649, 11080181, 33240543, 44251903, 132755709, 309763321, 929289963, 1017793769, 3053381307, 7124556383, 21373669149]

約数ペア:

[(1, 21373669149), (3, 7124556383), (7, 3053381307), (21, 1017793769), (23, 929289963), (69, 309763321), (161, 132755709), (483, 44251903), (643, 33240543), (1929, 11080181), (4501, 4748649), (13503, 1582883), (14789, 1445241), (44367, 481747), (68821, 310569), (103523, 206463)]