21139974

素因数分解:

$2^1\times 3^3\times {\mathrm{67}}^1\times {\mathrm{5843}}^1$

素因数の和:5921

約数の個数: 32

約数和(自身を含む): 47687040

約数和(自身を除く): 26547066

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 67, 134, 201, 402, 603, 1206, 1809, 3618, 5843, 11686, 17529, 35058, 52587, 105174, 157761, 315522, 391481, 782962, 1174443, 2348886, 3523329, 7046658, 10569987, 21139974]

約数ペア:

[(1, 21139974), (2, 10569987), (3, 7046658), (6, 3523329), (9, 2348886), (18, 1174443), (27, 782962), (54, 391481), (67, 315522), (134, 157761), (201, 105174), (402, 52587), (603, 35058), (1206, 17529), (1809, 11686), (3618, 5843)]