21799851

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 31795200

約数和(自身を除く): 9995349

約数列:

[1, 3, 29, 31, 59, 87, 93, 137, 177, 411, 899, 1711, 1829, 2697, 3973, 4247, 5133, 5487, 8083, 11919, 12741, 24249, 53041, 123163, 159123, 234407, 250573, 369489, 703221, 751719, 7266617, 21799851]

約数ペア:

[(1, 21799851), (3, 7266617), (29, 751719), (31, 703221), (59, 369489), (87, 250573), (93, 234407), (137, 159123), (177, 123163), (411, 53041), (899, 24249), (1711, 12741), (1829, 11919), (2697, 8083), (3973, 5487), (4247, 5133)]