21187704

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{16657}}^1$

素因数の和:16719

約数の個数: 32

約数和(自身を含む): 53971920

約数和(自身を除く): 32784216

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 424, 636, 1272, 16657, 33314, 49971, 66628, 99942, 133256, 199884, 399768, 882821, 1765642, 2648463, 3531284, 5296926, 7062568, 10593852, 21187704]

約数ペア:

[(1, 21187704), (2, 10593852), (3, 7062568), (4, 5296926), (6, 3531284), (8, 2648463), (12, 1765642), (24, 882821), (53, 399768), (106, 199884), (159, 133256), (212, 99942), (318, 66628), (424, 49971), (636, 33314), (1272, 16657)]