21000966515

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{6551}}^1\times {\mathrm{10867}}^1$

素因数の和:17482

約数の個数: 16

約数和(自身を含む): 25634568960

約数和(自身を除く): 4633602445

約数列:

[1, 5, 59, 295, 6551, 10867, 32755, 54335, 386509, 641153, 1932545, 3205765, 71189717, 355948585, 4200193303, 21000966515]

約数ペア:

[(1, 21000966515), (5, 4200193303), (59, 355948585), (295, 71189717), (6551, 3205765), (10867, 1932545), (32755, 641153), (54335, 386509)]