21273084

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1481}}^1$

素因数の和:1520

約数の個数: 96

約数和(自身を含む): 66393600

約数和(自身を除く): 45120516

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 84, 108, 114, 126, 133, 171, 189, 228, 252, 266, 342, 378, 399, 513, 532, 684, 756, 798, 1026, 1197, 1481, 1596, 2052, 2394, 2962, 3591, 4443, 4788, 5924, 7182, 8886, 10367, 13329, 14364, 17772, 20734, 26658, 28139, 31101, 39987, 41468, 53316, 56278, 62202, 79974, 84417, 93303, 112556, 124404, 159948, 168834, 186606, 196973, 253251, 279909, 337668, 373212, 393946, 506502, 559818, 590919, 759753, 787892, 1013004, 1119636, 1181838, 1519506, 1772757, 2363676, 3039012, 3545514, 5318271, 7091028, 10636542, 21273084]

約数ペア:

[(1, 21273084), (2, 10636542), (3, 7091028), (4, 5318271), (6, 3545514), (7, 3039012), (9, 2363676), (12, 1772757), (14, 1519506), (18, 1181838), (19, 1119636), (21, 1013004), (27, 787892), (28, 759753), (36, 590919), (38, 559818), (42, 506502), (54, 393946), (57, 373212), (63, 337668), (76, 279909), (84, 253251), (108, 196973), (114, 186606), (126, 168834), (133, 159948), (171, 124404), (189, 112556), (228, 93303), (252, 84417), (266, 79974), (342, 62202), (378, 56278), (399, 53316), (513, 41468), (532, 39987), (684, 31101), (756, 28139), (798, 26658), (1026, 20734), (1197, 17772), (1481, 14364), (1596, 13329), (2052, 10367), (2394, 8886), (2962, 7182), (3591, 5924), (4443, 4788)]