21580946

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{7691}}^1$

素因数の和:7777

約数の個数: 16

約数和(自身を含む): 34337088

約数和(自身を除く): 12756142

約数列:

[1, 2, 23, 46, 61, 122, 1403, 2806, 7691, 15382, 176893, 353786, 469151, 938302, 10790473, 21580946]

約数ペア:

[(1, 21580946), (2, 10790473), (23, 938302), (46, 469151), (61, 353786), (122, 176893), (1403, 15382), (2806, 7691)]