21016746

素因数分解:

$2^1\times 3^4\times {\mathrm{129733}}^1$

素因数の和:129747

約数の個数: 20

約数和(自身を含む): 47093442

約数和(自身を除く): 26076696

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 129733, 259466, 389199, 778398, 1167597, 2335194, 3502791, 7005582, 10508373, 21016746]

約数ペア:

[(1, 21016746), (2, 10508373), (3, 7005582), (6, 3502791), (9, 2335194), (18, 1167597), (27, 778398), (54, 389199), (81, 259466), (162, 129733)]