21019992

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{125119}}^1$

素因数の和:125135

約数の個数: 32

約数和(自身を含む): 60057600

約数和(自身を除く): 39037608

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 125119, 250238, 375357, 500476, 750714, 875833, 1000952, 1501428, 1751666, 2627499, 3002856, 3503332, 5254998, 7006664, 10509996, 21019992]

約数ペア:

[(1, 21019992), (2, 10509996), (3, 7006664), (4, 5254998), (6, 3503332), (7, 3002856), (8, 2627499), (12, 1751666), (14, 1501428), (21, 1000952), (24, 875833), (28, 750714), (42, 500476), (56, 375357), (84, 250238), (168, 125119)]