21000539964

素因数分解:

$2^2\times 3^1\times {\mathrm{97}}^1\times {\mathrm{547}}^1\times {\mathrm{32983}}^1$

素因数の和:33634

約数の個数: 48

約数和(自身を含む): 49598436608

約数和(自身を除く): 28597896644

約数列:

[1, 2, 3, 4, 6, 12, 97, 194, 291, 388, 547, 582, 1094, 1164, 1641, 2188, 3282, 6564, 32983, 53059, 65966, 98949, 106118, 131932, 159177, 197898, 212236, 318354, 395796, 636708, 3199351, 6398702, 9598053, 12797404, 18041701, 19196106, 36083402, 38392212, 54125103, 72166804, 108250206, 216500412, 1750044997, 3500089994, 5250134991, 7000179988, 10500269982, 21000539964]

約数ペア:

[(1, 21000539964), (2, 10500269982), (3, 7000179988), (4, 5250134991), (6, 3500089994), (12, 1750044997), (97, 216500412), (194, 108250206), (291, 72166804), (388, 54125103), (547, 38392212), (582, 36083402), (1094, 19196106), (1164, 18041701), (1641, 12797404), (2188, 9598053), (3282, 6398702), (6564, 3199351), (32983, 636708), (53059, 395796), (65966, 318354), (98949, 212236), (106118, 197898), (131932, 159177)]