21525533830

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1\times {\mathrm{1759}}^1$

素因数の和:2149

約数の個数: 64

約数和(自身を含む): 40144896000

約数和(自身を除く): 18619362170

約数列:

[1, 2, 5, 10, 43, 86, 149, 191, 215, 298, 382, 430, 745, 955, 1490, 1759, 1910, 3518, 6407, 8213, 8795, 12814, 16426, 17590, 28459, 32035, 41065, 56918, 64070, 75637, 82130, 142295, 151274, 262091, 284590, 335969, 378185, 524182, 671938, 756370, 1223737, 1310455, 1679845, 2447474, 2620910, 3359690, 6118685, 11269913, 12237370, 14446667, 22539826, 28893334, 50059381, 56349565, 72233335, 100118762, 112699130, 144466670, 250296905, 500593810, 2152553383, 4305106766, 10762766915, 21525533830]

約数ペア:

[(1, 21525533830), (2, 10762766915), (5, 4305106766), (10, 2152553383), (43, 500593810), (86, 250296905), (149, 144466670), (191, 112699130), (215, 100118762), (298, 72233335), (382, 56349565), (430, 50059381), (745, 28893334), (955, 22539826), (1490, 14446667), (1759, 12237370), (1910, 11269913), (3518, 6118685), (6407, 3359690), (8213, 2620910), (8795, 2447474), (12814, 1679845), (16426, 1310455), (17590, 1223737), (28459, 756370), (32035, 671938), (41065, 524182), (56918, 378185), (64070, 335969), (75637, 284590), (82130, 262091), (142295, 151274)]