21410298

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4357}}^1$

素因数の和:4388

約数の個数: 64

約数和(自身を含む): 58571520

約数和(自身を除く): 37161222

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 182, 189, 234, 273, 351, 378, 546, 702, 819, 1638, 2457, 4357, 4914, 8714, 13071, 26142, 30499, 39213, 56641, 60998, 78426, 91497, 113282, 117639, 169923, 182994, 235278, 274491, 339846, 396487, 509769, 548982, 792974, 823473, 1019538, 1189461, 1529307, 1646946, 2378922, 3058614, 3568383, 7136766, 10705149, 21410298]

約数ペア:

[(1, 21410298), (2, 10705149), (3, 7136766), (6, 3568383), (7, 3058614), (9, 2378922), (13, 1646946), (14, 1529307), (18, 1189461), (21, 1019538), (26, 823473), (27, 792974), (39, 548982), (42, 509769), (54, 396487), (63, 339846), (78, 274491), (91, 235278), (117, 182994), (126, 169923), (182, 117639), (189, 113282), (234, 91497), (273, 78426), (351, 60998), (378, 56641), (546, 39213), (702, 30499), (819, 26142), (1638, 13071), (2457, 8714), (4357, 4914)]