21000434676

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{631}}^1\times {\mathrm{673}}^1$

素因数の和:1641

約数の個数: 96

約数和(自身を含む): 53099467008

約数和(自身を除く): 32099032332

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 317, 631, 634, 673, 951, 1262, 1268, 1346, 1893, 1902, 2019, 2524, 2692, 3786, 3804, 4038, 4121, 7572, 8076, 8203, 8242, 8749, 12363, 16406, 16484, 17498, 24609, 24726, 26247, 32812, 34996, 49218, 49452, 52494, 98436, 104988, 200027, 213341, 400054, 424663, 426682, 600081, 640023, 800108, 849326, 853364, 1200162, 1273989, 1280046, 1698652, 2400324, 2547978, 2560092, 2600351, 2773433, 5095956, 5200702, 5520619, 5546866, 7801053, 8320299, 10401404, 11041238, 11093732, 15602106, 16561857, 16640598, 22082476, 31204212, 33123714, 33281196, 66247428, 134618171, 269236342, 403854513, 538472684, 807709026, 1615418052, 1750036223, 3500072446, 5250108669, 7000144892, 10500217338, 21000434676]

約数ペア:

[(1, 21000434676), (2, 10500217338), (3, 7000144892), (4, 5250108669), (6, 3500072446), (12, 1750036223), (13, 1615418052), (26, 807709026), (39, 538472684), (52, 403854513), (78, 269236342), (156, 134618171), (317, 66247428), (631, 33281196), (634, 33123714), (673, 31204212), (951, 22082476), (1262, 16640598), (1268, 16561857), (1346, 15602106), (1893, 11093732), (1902, 11041238), (2019, 10401404), (2524, 8320299), (2692, 7801053), (3786, 5546866), (3804, 5520619), (4038, 5200702), (4121, 5095956), (7572, 2773433), (8076, 2600351), (8203, 2560092), (8242, 2547978), (8749, 2400324), (12363, 1698652), (16406, 1280046), (16484, 1273989), (17498, 1200162), (24609, 853364), (24726, 849326), (26247, 800108), (32812, 640023), (34996, 600081), (49218, 426682), (49452, 424663), (52494, 400054), (98436, 213341), (104988, 200027)]