21962493

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{659}}^1$

素因数の和:718

約数の個数: 36

約数和(自身を含む): 37957920

約数和(自身を除く): 15995427

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 529, 659, 1449, 1587, 1977, 3703, 4613, 4761, 5931, 11109, 13839, 15157, 33327, 41517, 45471, 106099, 136413, 318297, 348611, 954891, 1045833, 2440277, 3137499, 7320831, 21962493]

約数ペア:

[(1, 21962493), (3, 7320831), (7, 3137499), (9, 2440277), (21, 1045833), (23, 954891), (63, 348611), (69, 318297), (161, 136413), (207, 106099), (483, 45471), (529, 41517), (659, 33327), (1449, 15157), (1587, 13839), (1977, 11109), (3703, 5931), (4613, 4761)]