21825470

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:412

約数の個数: 32

約数和(自身を含む): 40240800

約数和(自身を除く): 18415330

約数列:

[1, 2, 5, 10, 89, 137, 178, 179, 274, 358, 445, 685, 890, 895, 1370, 1790, 12193, 15931, 24386, 24523, 31862, 49046, 60965, 79655, 121930, 122615, 159310, 245230, 2182547, 4365094, 10912735, 21825470]

約数ペア:

[(1, 21825470), (2, 10912735), (5, 4365094), (10, 2182547), (89, 245230), (137, 159310), (178, 122615), (179, 121930), (274, 79655), (358, 60965), (445, 49046), (685, 31862), (890, 24523), (895, 24386), (1370, 15931), (1790, 12193)]