21329639380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4117691}}^1$

素因数の和:4117744

約数の個数: 48

約数和(自身を含む): 52574691456

約数和(自身を除く): 31245052076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 4117691, 8235382, 16470764, 20588455, 28823837, 41176910, 57647674, 82353820, 115295348, 144119185, 152354567, 288238370, 304709134, 576476740, 609418268, 761772835, 1066481969, 1523545670, 2132963938, 3047091340, 4265927876, 5332409845, 10664819690, 21329639380]

約数ペア:

[(1, 21329639380), (2, 10664819690), (4, 5332409845), (5, 4265927876), (7, 3047091340), (10, 2132963938), (14, 1523545670), (20, 1066481969), (28, 761772835), (35, 609418268), (37, 576476740), (70, 304709134), (74, 288238370), (140, 152354567), (148, 144119185), (185, 115295348), (259, 82353820), (370, 57647674), (518, 41176910), (740, 28823837), (1036, 20588455), (1295, 16470764), (2590, 8235382), (5180, 4117691)]