21609342

素因数分解:

$2^1\times 3^4\times {\mathrm{133391}}^1$

素因数の和:133405

約数の個数: 20

約数和(自身を含む): 48421296

約数和(自身を除く): 26811954

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 133391, 266782, 400173, 800346, 1200519, 2401038, 3601557, 7203114, 10804671, 21609342]

約数ペア:

[(1, 21609342), (2, 10804671), (3, 7203114), (6, 3601557), (9, 2401038), (18, 1200519), (27, 800346), (54, 400173), (81, 266782), (162, 133391)]