21902049

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2713}}^1$

素因数の和:2758

約数の個数: 32

約数和(自身を含む): 36476160

約数和(自身を除く): 14574111

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 2691, 2713, 8073, 8139, 24417, 35269, 62399, 73251, 105807, 187197, 317421, 561591, 811187, 952263, 1684773, 2433561, 7300683, 21902049]

約数ペア:

[(1, 21902049), (3, 7300683), (9, 2433561), (13, 1684773), (23, 952263), (27, 811187), (39, 561591), (69, 317421), (117, 187197), (207, 105807), (299, 73251), (351, 62399), (621, 35269), (897, 24417), (2691, 8139), (2713, 8073)]