21152604

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:187

約数の個数: 96

約数和(自身を含む): 56996352

約数和(自身を除く): 35843748

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 37, 44, 61, 66, 71, 74, 111, 122, 132, 142, 148, 183, 213, 222, 244, 284, 366, 407, 426, 444, 671, 732, 781, 814, 852, 1221, 1342, 1562, 1628, 2013, 2257, 2343, 2442, 2627, 2684, 3124, 4026, 4331, 4514, 4686, 4884, 5254, 6771, 7881, 8052, 8662, 9028, 9372, 10508, 12993, 13542, 15762, 17324, 24827, 25986, 27084, 28897, 31524, 47641, 49654, 51972, 57794, 74481, 86691, 95282, 99308, 115588, 142923, 148962, 160247, 173382, 190564, 285846, 297924, 320494, 346764, 480741, 571692, 640988, 961482, 1762717, 1922964, 3525434, 5288151, 7050868, 10576302, 21152604]

約数ペア:

[(1, 21152604), (2, 10576302), (3, 7050868), (4, 5288151), (6, 3525434), (11, 1922964), (12, 1762717), (22, 961482), (33, 640988), (37, 571692), (44, 480741), (61, 346764), (66, 320494), (71, 297924), (74, 285846), (111, 190564), (122, 173382), (132, 160247), (142, 148962), (148, 142923), (183, 115588), (213, 99308), (222, 95282), (244, 86691), (284, 74481), (366, 57794), (407, 51972), (426, 49654), (444, 47641), (671, 31524), (732, 28897), (781, 27084), (814, 25986), (852, 24827), (1221, 17324), (1342, 15762), (1562, 13542), (1628, 12993), (2013, 10508), (2257, 9372), (2343, 9028), (2442, 8662), (2627, 8052), (2684, 7881), (3124, 6771), (4026, 5254), (4331, 4884), (4514, 4686)]