21415714

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{5231}}^1$

素因数の和:5345

約数の個数: 16

約数和(自身を含む): 33903360

約数和(自身を除く): 12487646

約数列:

[1, 2, 23, 46, 89, 178, 2047, 4094, 5231, 10462, 120313, 240626, 465559, 931118, 10707857, 21415714]

約数ペア:

[(1, 21415714), (2, 10707857), (23, 931118), (46, 465559), (89, 240626), (178, 120313), (2047, 10462), (4094, 5231)]