21230136

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{4153}}^1$

素因数の和:4236

約数の個数: 48

約数和(自身を含む): 58322160

約数和(自身を除く): 37092024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2556, 4153, 5112, 8306, 12459, 16612, 24918, 33224, 37377, 49836, 74754, 99672, 149508, 294863, 299016, 589726, 884589, 1179452, 1769178, 2358904, 2653767, 3538356, 5307534, 7076712, 10615068, 21230136]

約数ペア:

[(1, 21230136), (2, 10615068), (3, 7076712), (4, 5307534), (6, 3538356), (8, 2653767), (9, 2358904), (12, 1769178), (18, 1179452), (24, 884589), (36, 589726), (71, 299016), (72, 294863), (142, 149508), (213, 99672), (284, 74754), (426, 49836), (568, 37377), (639, 33224), (852, 24918), (1278, 16612), (1704, 12459), (2556, 8306), (4153, 5112)]