21976773

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1019}}^1$

素因数の和:1121

約数の個数: 32

約数和(自身を含む): 36556800

約数和(自身を除く): 14580027

約数列:

[1, 3, 7, 13, 21, 39, 79, 91, 237, 273, 553, 1019, 1027, 1659, 3057, 3081, 7133, 7189, 13247, 21399, 21567, 39741, 80501, 92729, 241503, 278187, 563507, 1046513, 1690521, 3139539, 7325591, 21976773]

約数ペア:

[(1, 21976773), (3, 7325591), (7, 3139539), (13, 1690521), (21, 1046513), (39, 563507), (79, 278187), (91, 241503), (237, 92729), (273, 80501), (553, 39741), (1019, 21567), (1027, 21399), (1659, 13247), (3057, 7189), (3081, 7133)]