21715670

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3089}}^1$

素因数の和:3152

約数の個数: 32

約数和(自身を含む): 42271200

約数和(自身を除く): 20555530

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 185, 190, 370, 703, 1406, 3089, 3515, 6178, 7030, 15445, 30890, 58691, 114293, 117382, 228586, 293455, 571465, 586910, 1142930, 2171567, 4343134, 10857835, 21715670]

約数ペア:

[(1, 21715670), (2, 10857835), (5, 4343134), (10, 2171567), (19, 1142930), (37, 586910), (38, 571465), (74, 293455), (95, 228586), (185, 117382), (190, 114293), (370, 58691), (703, 30890), (1406, 15445), (3089, 7030), (3515, 6178)]