21491928

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{9629}}^1$

素因数の和:9672

約数の個数: 48

約数和(自身を含む): 60091200

約数和(自身を除く): 38599272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 1116, 2232, 9629, 19258, 28887, 38516, 57774, 77032, 86661, 115548, 173322, 231096, 298499, 346644, 596998, 693288, 895497, 1193996, 1790994, 2387992, 2686491, 3581988, 5372982, 7163976, 10745964, 21491928]

約数ペア:

[(1, 21491928), (2, 10745964), (3, 7163976), (4, 5372982), (6, 3581988), (8, 2686491), (9, 2387992), (12, 1790994), (18, 1193996), (24, 895497), (31, 693288), (36, 596998), (62, 346644), (72, 298499), (93, 231096), (124, 173322), (186, 115548), (248, 86661), (279, 77032), (372, 57774), (558, 38516), (744, 28887), (1116, 19258), (2232, 9629)]