21839170

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{839}}^1$

素因数の和:1002

約数の個数: 32

約数和(自身を含む): 41731200

約数和(自身を除く): 19892030

約数列:

[1, 2, 5, 10, 19, 38, 95, 137, 190, 274, 685, 839, 1370, 1678, 2603, 4195, 5206, 8390, 13015, 15941, 26030, 31882, 79705, 114943, 159410, 229886, 574715, 1149430, 2183917, 4367834, 10919585, 21839170]

約数ペア:

[(1, 21839170), (2, 10919585), (5, 4367834), (10, 2183917), (19, 1149430), (38, 574715), (95, 229886), (137, 159410), (190, 114943), (274, 79705), (685, 31882), (839, 26030), (1370, 15941), (1678, 13015), (2603, 8390), (4195, 5206)]