21434698

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{7727}}^1$

素因数の和:7821

約数の個数: 16

約数和(自身を含む): 34312320

約数和(自身を除く): 12877622

約数列:

[1, 2, 19, 38, 73, 146, 1387, 2774, 7727, 15454, 146813, 293626, 564071, 1128142, 10717349, 21434698]

約数ペア:

[(1, 21434698), (2, 10717349), (19, 1128142), (38, 564071), (73, 293626), (146, 146813), (1387, 15454), (2774, 7727)]