21338470

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{547}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 39771648

約数和(自身を除く): 18433178

約数列:

[1, 2, 5, 10, 47, 83, 94, 166, 235, 415, 470, 547, 830, 1094, 2735, 3901, 5470, 7802, 19505, 25709, 39010, 45401, 51418, 90802, 128545, 227005, 257090, 454010, 2133847, 4267694, 10669235, 21338470]

約数ペア:

[(1, 21338470), (2, 10669235), (5, 4267694), (10, 2133847), (47, 454010), (83, 257090), (94, 227005), (166, 128545), (235, 90802), (415, 51418), (470, 45401), (547, 39010), (830, 25709), (1094, 19505), (2735, 7802), (3901, 5470)]