21488658

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{809}}^1$

素因数の和:1066

約数の個数: 32

約数和(自身を含む): 45489600

約数和(自身を除く): 24000942

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 233, 466, 699, 809, 1398, 1618, 2427, 4427, 4854, 8854, 13281, 15371, 26562, 30742, 46113, 92226, 188497, 376994, 565491, 1130982, 3581443, 7162886, 10744329, 21488658]

約数ペア:

[(1, 21488658), (2, 10744329), (3, 7162886), (6, 3581443), (19, 1130982), (38, 565491), (57, 376994), (114, 188497), (233, 92226), (466, 46113), (699, 30742), (809, 26562), (1398, 15371), (1618, 13281), (2427, 8854), (4427, 4854)]