21327822

素因数分解:

$2^1\times 3^2\times {\mathrm{157}}^1\times {\mathrm{7547}}^1$

素因数の和:7712

約数の個数: 24

約数和(自身を含む): 46510776

約数和(自身を除く): 25182954

約数列:

[1, 2, 3, 6, 9, 18, 157, 314, 471, 942, 1413, 2826, 7547, 15094, 22641, 45282, 67923, 135846, 1184879, 2369758, 3554637, 7109274, 10663911, 21327822]

約数ペア:

[(1, 21327822), (2, 10663911), (3, 7109274), (6, 3554637), (9, 2369758), (18, 1184879), (157, 135846), (314, 67923), (471, 45282), (942, 22641), (1413, 15094), (2826, 7547)]