21214926

素因数分解:

$2^1\times 3^3\times {\mathrm{131}}^1\times {\mathrm{2999}}^1$

素因数の和:3141

約数の個数: 32

約数和(自身を含む): 47520000

約数和(自身を除く): 26305074

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 131, 262, 393, 786, 1179, 2358, 2999, 3537, 5998, 7074, 8997, 17994, 26991, 53982, 80973, 161946, 392869, 785738, 1178607, 2357214, 3535821, 7071642, 10607463, 21214926]

約数ペア:

[(1, 21214926), (2, 10607463), (3, 7071642), (6, 3535821), (9, 2357214), (18, 1178607), (27, 785738), (54, 392869), (131, 161946), (262, 80973), (393, 53982), (786, 26991), (1179, 17994), (2358, 8997), (2999, 7074), (3537, 5998)]