21731598

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:259

約数の個数: 96

約数和(自身を含む): 57784320

約数和(自身を除く): 36052722

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 43, 49, 54, 63, 86, 98, 126, 129, 147, 189, 191, 258, 294, 301, 378, 382, 387, 441, 573, 602, 774, 882, 903, 1146, 1161, 1323, 1337, 1719, 1806, 2107, 2322, 2646, 2674, 2709, 3438, 4011, 4214, 5157, 5418, 6321, 8022, 8127, 8213, 9359, 10314, 12033, 12642, 16254, 16426, 18718, 18963, 24066, 24639, 28077, 36099, 37926, 49278, 56154, 56889, 57491, 72198, 73917, 84231, 113778, 114982, 147834, 168462, 172473, 221751, 252693, 344946, 402437, 443502, 505386, 517419, 804874, 1034838, 1207311, 1552257, 2414622, 3104514, 3621933, 7243866, 10865799, 21731598]

約数ペア:

[(1, 21731598), (2, 10865799), (3, 7243866), (6, 3621933), (7, 3104514), (9, 2414622), (14, 1552257), (18, 1207311), (21, 1034838), (27, 804874), (42, 517419), (43, 505386), (49, 443502), (54, 402437), (63, 344946), (86, 252693), (98, 221751), (126, 172473), (129, 168462), (147, 147834), (189, 114982), (191, 113778), (258, 84231), (294, 73917), (301, 72198), (378, 57491), (382, 56889), (387, 56154), (441, 49278), (573, 37926), (602, 36099), (774, 28077), (882, 24639), (903, 24066), (1146, 18963), (1161, 18718), (1323, 16426), (1337, 16254), (1719, 12642), (1806, 12033), (2107, 10314), (2322, 9359), (2646, 8213), (2674, 8127), (2709, 8022), (3438, 6321), (4011, 5418), (4214, 5157)]