21471338

素因数分解:

$2^1\times 7^1\times {\mathrm{97}}^2\times {\mathrm{163}}^1$

素因数の和:366

約数の個数: 24

約数和(自身を含む): 37419552

約数和(自身を除く): 15948214

約数列:

[1, 2, 7, 14, 97, 163, 194, 326, 679, 1141, 1358, 2282, 9409, 15811, 18818, 31622, 65863, 110677, 131726, 221354, 1533667, 3067334, 10735669, 21471338]

約数ペア:

[(1, 21471338), (2, 10735669), (7, 3067334), (14, 1533667), (97, 221354), (163, 131726), (194, 110677), (326, 65863), (679, 31622), (1141, 18818), (1358, 15811), (2282, 9409)]