21500609

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1427}}^1$

素因数の和:1520

約数の個数: 16

約数和(自身を含む): 24790080

約数和(自身を除く): 3289471

約数列:

[1, 13, 19, 61, 247, 793, 1159, 1427, 15067, 18551, 27113, 87047, 352469, 1131611, 1653893, 21500609]

約数ペア:

[(1, 21500609), (13, 1653893), (19, 1131611), (61, 352469), (247, 87047), (793, 27113), (1159, 18551), (1427, 15067)]