21306438

素因数分解:

$2^1\times 3^2\times {\mathrm{97}}^1\times {\mathrm{12203}}^1$

素因数の和:12308

約数の個数: 24

約数和(自身を含む): 46643688

約数和(自身を除く): 25337250

約数列:

[1, 2, 3, 6, 9, 18, 97, 194, 291, 582, 873, 1746, 12203, 24406, 36609, 73218, 109827, 219654, 1183691, 2367382, 3551073, 7102146, 10653219, 21306438]

約数ペア:

[(1, 21306438), (2, 10653219), (3, 7102146), (6, 3551073), (9, 2367382), (18, 1183691), (97, 219654), (194, 109827), (291, 73218), (582, 36609), (873, 24406), (1746, 12203)]