21047186

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{1151}}^1$

素因数の和:1417

約数の個数: 16

約数和(自身を含む): 32514048

約数和(自身を除く): 11466862

約数列:

[1, 2, 41, 82, 223, 446, 1151, 2302, 9143, 18286, 47191, 94382, 256673, 513346, 10523593, 21047186]

約数ペア:

[(1, 21047186), (2, 10523593), (41, 513346), (82, 256673), (223, 94382), (446, 47191), (1151, 18286), (2302, 9143)]