21259097535

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1609}}^1\times {\mathrm{67757}}^1$

素因数の和:69387

約数の個数: 32

約数和(自身を含む): 36654367680

約数和(自身を除く): 15395270145

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 1609, 4827, 8045, 20917, 24135, 62751, 67757, 104585, 203271, 313755, 338785, 880841, 1016355, 2642523, 4404205, 13212615, 109021013, 327063039, 545105065, 1417273169, 1635315195, 4251819507, 7086365845, 21259097535]

約数ペア:

[(1, 21259097535), (3, 7086365845), (5, 4251819507), (13, 1635315195), (15, 1417273169), (39, 545105065), (65, 327063039), (195, 109021013), (1609, 13212615), (4827, 4404205), (8045, 2642523), (20917, 1016355), (24135, 880841), (62751, 338785), (67757, 313755), (104585, 203271)]