21694755

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{941}}^1$

素因数の和:1031

約数の個数: 32

約数和(自身を含む): 36624960

約数和(自身を除く): 14930205

約数列:

[1, 3, 5, 15, 29, 53, 87, 145, 159, 265, 435, 795, 941, 1537, 2823, 4611, 4705, 7685, 14115, 23055, 27289, 49873, 81867, 136445, 149619, 249365, 409335, 748095, 1446317, 4338951, 7231585, 21694755]

約数ペア:

[(1, 21694755), (3, 7231585), (5, 4338951), (15, 1446317), (29, 748095), (53, 409335), (87, 249365), (145, 149619), (159, 136445), (265, 81867), (435, 49873), (795, 27289), (941, 23055), (1537, 14115), (2823, 7685), (4611, 4705)]