21095386

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 35497728

約数和(自身を除く): 14402342

約数列:

[1, 2, 13, 26, 47, 61, 94, 122, 283, 566, 611, 793, 1222, 1586, 2867, 3679, 5734, 7358, 13301, 17263, 26602, 34526, 37271, 74542, 172913, 224419, 345826, 448838, 811361, 1622722, 10547693, 21095386]

約数ペア:

[(1, 21095386), (2, 10547693), (13, 1622722), (26, 811361), (47, 448838), (61, 345826), (94, 224419), (122, 172913), (283, 74542), (566, 37271), (611, 34526), (793, 26602), (1222, 17263), (1586, 13301), (2867, 7358), (3679, 5734)]