21953868

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4679}}^1$

素因数の和:4726

約数の個数: 48

約数和(自身を含む): 56609280

約数和(自身を除く): 34655412

約数列:

[1, 2, 3, 4, 6, 12, 17, 23, 34, 46, 51, 68, 69, 92, 102, 138, 204, 276, 391, 782, 1173, 1564, 2346, 4679, 4692, 9358, 14037, 18716, 28074, 56148, 79543, 107617, 159086, 215234, 238629, 318172, 322851, 430468, 477258, 645702, 954516, 1291404, 1829489, 3658978, 5488467, 7317956, 10976934, 21953868]

約数ペア:

[(1, 21953868), (2, 10976934), (3, 7317956), (4, 5488467), (6, 3658978), (12, 1829489), (17, 1291404), (23, 954516), (34, 645702), (46, 477258), (51, 430468), (68, 322851), (69, 318172), (92, 238629), (102, 215234), (138, 159086), (204, 107617), (276, 79543), (391, 56148), (782, 28074), (1173, 18716), (1564, 14037), (2346, 9358), (4679, 4692)]