21807933

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{277}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 35014656

約数和(自身を除く): 13206723

約数列:

[1, 3, 7, 21, 23, 69, 161, 163, 277, 483, 489, 831, 1141, 1939, 3423, 3749, 5817, 6371, 11247, 19113, 26243, 44597, 45151, 78729, 133791, 135453, 316057, 948171, 1038473, 3115419, 7269311, 21807933]

約数ペア:

[(1, 21807933), (3, 7269311), (7, 3115419), (21, 1038473), (23, 948171), (69, 316057), (161, 135453), (163, 133791), (277, 78729), (483, 45151), (489, 44597), (831, 26243), (1141, 19113), (1939, 11247), (3423, 6371), (3749, 5817)]