21007786

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{12343}}^1$

素因数の和:12405

約数の個数: 16

約数和(自身を含む): 33773184

約数和(自身を除く): 12765398

約数列:

[1, 2, 23, 37, 46, 74, 851, 1702, 12343, 24686, 283889, 456691, 567778, 913382, 10503893, 21007786]

約数ペア:

[(1, 21007786), (2, 10503893), (23, 913382), (37, 567778), (46, 456691), (74, 283889), (851, 24686), (1702, 12343)]