21331044

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1801}}^1$

素因数の和:1865

約数の個数: 72

約数和(自身を含む): 62969088

約数和(自身を除く): 41638044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 47, 63, 84, 94, 126, 141, 188, 252, 282, 329, 423, 564, 658, 846, 987, 1316, 1692, 1801, 1974, 2961, 3602, 3948, 5403, 5922, 7204, 10806, 11844, 12607, 16209, 21612, 25214, 32418, 37821, 50428, 64836, 75642, 84647, 113463, 151284, 169294, 226926, 253941, 338588, 453852, 507882, 592529, 761823, 1015764, 1185058, 1523646, 1777587, 2370116, 3047292, 3555174, 5332761, 7110348, 10665522, 21331044]

約数ペア:

[(1, 21331044), (2, 10665522), (3, 7110348), (4, 5332761), (6, 3555174), (7, 3047292), (9, 2370116), (12, 1777587), (14, 1523646), (18, 1185058), (21, 1015764), (28, 761823), (36, 592529), (42, 507882), (47, 453852), (63, 338588), (84, 253941), (94, 226926), (126, 169294), (141, 151284), (188, 113463), (252, 84647), (282, 75642), (329, 64836), (423, 50428), (564, 37821), (658, 32418), (846, 25214), (987, 21612), (1316, 16209), (1692, 12607), (1801, 11844), (1974, 10806), (2961, 7204), (3602, 5922), (3948, 5403)]