21912744

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:199

約数の個数: 128

約数和(自身を含む): 67184640

約数和(自身を除く): 45271896

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 53, 56, 69, 84, 92, 106, 107, 138, 159, 161, 168, 184, 212, 214, 276, 318, 321, 322, 371, 424, 428, 483, 552, 636, 642, 644, 742, 749, 856, 966, 1113, 1219, 1272, 1284, 1288, 1484, 1498, 1932, 2226, 2247, 2438, 2461, 2568, 2968, 2996, 3657, 3864, 4452, 4494, 4876, 4922, 5671, 5992, 7314, 7383, 8533, 8904, 8988, 9752, 9844, 11342, 14628, 14766, 17013, 17066, 17227, 17976, 19688, 22684, 25599, 29256, 29532, 34026, 34132, 34454, 39697, 45368, 51198, 51681, 59064, 68052, 68264, 68908, 79394, 102396, 103362, 119091, 130433, 136104, 137816, 158788, 204792, 206724, 238182, 260866, 317576, 391299, 413448, 476364, 521732, 782598, 913031, 952728, 1043464, 1565196, 1826062, 2739093, 3130392, 3652124, 5478186, 7304248, 10956372, 21912744]

約数ペア:

[(1, 21912744), (2, 10956372), (3, 7304248), (4, 5478186), (6, 3652124), (7, 3130392), (8, 2739093), (12, 1826062), (14, 1565196), (21, 1043464), (23, 952728), (24, 913031), (28, 782598), (42, 521732), (46, 476364), (53, 413448), (56, 391299), (69, 317576), (84, 260866), (92, 238182), (106, 206724), (107, 204792), (138, 158788), (159, 137816), (161, 136104), (168, 130433), (184, 119091), (212, 103362), (214, 102396), (276, 79394), (318, 68908), (321, 68264), (322, 68052), (371, 59064), (424, 51681), (428, 51198), (483, 45368), (552, 39697), (636, 34454), (642, 34132), (644, 34026), (742, 29532), (749, 29256), (856, 25599), (966, 22684), (1113, 19688), (1219, 17976), (1272, 17227), (1284, 17066), (1288, 17013), (1484, 14766), (1498, 14628), (1932, 11342), (2226, 9844), (2247, 9752), (2438, 8988), (2461, 8904), (2568, 8533), (2968, 7383), (2996, 7314), (3657, 5992), (3864, 5671), (4452, 4922), (4494, 4876)]