21269658

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{661}}^1$

素因数の和:870

約数の個数: 32

約数和(自身を含む): 44232192

約数和(自身を除く): 22962534

約数列:

[1, 2, 3, 6, 31, 62, 93, 173, 186, 346, 519, 661, 1038, 1322, 1983, 3966, 5363, 10726, 16089, 20491, 32178, 40982, 61473, 114353, 122946, 228706, 343059, 686118, 3544943, 7089886, 10634829, 21269658]

約数ペア:

[(1, 21269658), (2, 10634829), (3, 7089886), (6, 3544943), (31, 686118), (62, 343059), (93, 228706), (173, 122946), (186, 114353), (346, 61473), (519, 40982), (661, 32178), (1038, 20491), (1322, 16089), (1983, 10726), (3966, 5363)]