21488922

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4373}}^1$

素因数の和:4404

約数の個数: 64

約数和(自身を含む): 58786560

約数和(自身を除く): 37297638

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, 4373, 4914, 8746, 13119, 26238, 30611, 39357, 56849, 61222, 78714, 91833, 113698, 118071, 170547, 183666, 236142, 275499, 341094, 397943, 511641, 550998, 795886, 826497, 1023282, 1193829, 1534923, 1652994, 2387658, 3069846, 3581487, 7162974, 10744461, 21488922]

約数ペア:

[(1, 21488922), (2, 10744461), (3, 7162974), (6, 3581487), (7, 3069846), (9, 2387658), (13, 1652994), (14, 1534923), (18, 1193829), (21, 1023282), (26, 826497), (27, 795886), (39, 550998), (42, 511641), (54, 397943), (63, 341094), (78, 275499), (91, 236142), (117, 183666), (126, 170547), (182, 118071), (189, 113698), (234, 91833), (273, 78714), (351, 61222), (378, 56849), (546, 39357), (702, 30611), (819, 26238), (1638, 13119), (2457, 8746), (4373, 4914)]