21587112

素因数分解:

$2^3\times 3^2\times {\mathrm{53}}^1\times {\mathrm{5657}}^1$

素因数の和:5722

約数の個数: 48

約数和(自身を含む): 59578740

約数和(自身を除く): 37991628

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 53, 72, 106, 159, 212, 318, 424, 477, 636, 954, 1272, 1908, 3816, 5657, 11314, 16971, 22628, 33942, 45256, 50913, 67884, 101826, 135768, 203652, 299821, 407304, 599642, 899463, 1199284, 1798926, 2398568, 2698389, 3597852, 5396778, 7195704, 10793556, 21587112]

約数ペア:

[(1, 21587112), (2, 10793556), (3, 7195704), (4, 5396778), (6, 3597852), (8, 2698389), (9, 2398568), (12, 1798926), (18, 1199284), (24, 899463), (36, 599642), (53, 407304), (72, 299821), (106, 203652), (159, 135768), (212, 101826), (318, 67884), (424, 50913), (477, 45256), (636, 33942), (954, 22628), (1272, 16971), (1908, 11314), (3816, 5657)]