21861768

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{19381}}^1$

素因数の和:19437

約数の個数: 32

約数和(自身を含む): 55820160

約数和(自身を除く): 33958392

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 188, 282, 376, 564, 1128, 19381, 38762, 58143, 77524, 116286, 155048, 232572, 465144, 910907, 1821814, 2732721, 3643628, 5465442, 7287256, 10930884, 21861768]

約数ペア:

[(1, 21861768), (2, 10930884), (3, 7287256), (4, 5465442), (6, 3643628), (8, 2732721), (12, 1821814), (24, 910907), (47, 465144), (94, 232572), (141, 155048), (188, 116286), (282, 77524), (376, 58143), (564, 38762), (1128, 19381)]