21655704

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{128903}}^1$

素因数の和:128919

約数の個数: 32

約数和(自身を含む): 61873920

約数和(自身を除く): 40218216

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 128903, 257806, 386709, 515612, 773418, 902321, 1031224, 1546836, 1804642, 2706963, 3093672, 3609284, 5413926, 7218568, 10827852, 21655704]

約数ペア:

[(1, 21655704), (2, 10827852), (3, 7218568), (4, 5413926), (6, 3609284), (7, 3093672), (8, 2706963), (12, 1804642), (14, 1546836), (21, 1031224), (24, 902321), (28, 773418), (42, 515612), (56, 386709), (84, 257806), (168, 128903)]