21005358630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{8435887}}^1$

素因数の和:8435980

約数の個数: 32

約数和(自身を含む): 51020250624

約数和(自身を除く): 30014891994

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 83, 166, 249, 415, 498, 830, 1245, 2490, 8435887, 16871774, 25307661, 42179435, 50615322, 84358870, 126538305, 253076610, 700178621, 1400357242, 2100535863, 3500893105, 4201071726, 7001786210, 10502679315, 21005358630]

約数ペア:

[(1, 21005358630), (2, 10502679315), (3, 7001786210), (5, 4201071726), (6, 3500893105), (10, 2100535863), (15, 1400357242), (30, 700178621), (83, 253076610), (166, 126538305), (249, 84358870), (415, 50615322), (498, 42179435), (830, 25307661), (1245, 16871774), (2490, 8435887)]