21000398515

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{946177}}^1$

素因数の和:946398

約数の個数: 16

約数和(自身を含む): 26432428608

約数和(自身を除く): 5432030093

約数列:

[1, 5, 23, 115, 193, 965, 4439, 22195, 946177, 4730885, 21762071, 108810355, 182612161, 913060805, 4200079703, 21000398515]

約数ペア:

[(1, 21000398515), (5, 4200079703), (23, 913060805), (115, 182612161), (193, 108810355), (965, 21762071), (4439, 4730885), (22195, 946177)]