21420126

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1453}}^1$

素因数の和:1487

約数の個数: 80

約数和(自身を含む): 59113824

約数和(自身を除く): 37693698

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 81, 91, 117, 126, 162, 182, 189, 234, 273, 351, 378, 546, 567, 702, 819, 1053, 1134, 1453, 1638, 2106, 2457, 2906, 4359, 4914, 7371, 8718, 10171, 13077, 14742, 18889, 20342, 26154, 30513, 37778, 39231, 56667, 61026, 78462, 91539, 113334, 117693, 132223, 170001, 183078, 235386, 264446, 274617, 340002, 396669, 510003, 549234, 793338, 823851, 1020006, 1190007, 1530009, 1647702, 2380014, 3060018, 3570021, 7140042, 10710063, 21420126]

約数ペア:

[(1, 21420126), (2, 10710063), (3, 7140042), (6, 3570021), (7, 3060018), (9, 2380014), (13, 1647702), (14, 1530009), (18, 1190007), (21, 1020006), (26, 823851), (27, 793338), (39, 549234), (42, 510003), (54, 396669), (63, 340002), (78, 274617), (81, 264446), (91, 235386), (117, 183078), (126, 170001), (162, 132223), (182, 117693), (189, 113334), (234, 91539), (273, 78462), (351, 61026), (378, 56667), (546, 39231), (567, 37778), (702, 30513), (819, 26154), (1053, 20342), (1134, 18889), (1453, 14742), (1638, 13077), (2106, 10171), (2457, 8718), (2906, 7371), (4359, 4914)]