21000929045

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1\times {\mathrm{6991}}^1$

素因数の和:7425

約数の個数: 32

約数和(自身を含む): 26876129280

約数和(自身を除く): 5875200235

約数列:

[1, 5, 19, 95, 103, 307, 515, 1535, 1957, 5833, 6991, 9785, 29165, 31621, 34955, 132829, 158105, 600799, 664145, 720073, 2146237, 3003995, 3600365, 10731185, 13681387, 40778503, 68406935, 203892515, 221062411, 1105312055, 4200185809, 21000929045]

約数ペア:

[(1, 21000929045), (5, 4200185809), (19, 1105312055), (95, 221062411), (103, 203892515), (307, 68406935), (515, 40778503), (1535, 13681387), (1957, 10731185), (5833, 3600365), (6991, 3003995), (9785, 2146237), (29165, 720073), (31621, 664145), (34955, 600799), (132829, 158105)]