21917514

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:654

約数の個数: 32

約数和(自身を含む): 45048960

約数和(自身を除く): 23131446

約数列:

[1, 2, 3, 6, 53, 106, 157, 159, 314, 318, 439, 471, 878, 942, 1317, 2634, 8321, 16642, 23267, 24963, 46534, 49926, 68923, 69801, 137846, 139602, 206769, 413538, 3652919, 7305838, 10958757, 21917514]

約数ペア:

[(1, 21917514), (2, 10958757), (3, 7305838), (6, 3652919), (53, 413538), (106, 206769), (157, 139602), (159, 137846), (314, 69801), (318, 68923), (439, 49926), (471, 46534), (878, 24963), (942, 23267), (1317, 16642), (2634, 8321)]