21000918101

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{317}}^1\times {\mathrm{821}}^1$

素因数の和:1325

約数の個数: 32

約数和(自身を含む): 23086494720

約数和(自身を除く): 2085576619

約数列:

[1, 19, 31, 137, 317, 589, 821, 2603, 4247, 6023, 9827, 15599, 25451, 43429, 80693, 112477, 186713, 260257, 483569, 825151, 1346299, 2137063, 3486787, 4944883, 8067967, 25579681, 35655209, 66248953, 153291373, 677448971, 1105311479, 21000918101]

約数ペア:

[(1, 21000918101), (19, 1105311479), (31, 677448971), (137, 153291373), (317, 66248953), (589, 35655209), (821, 25579681), (2603, 8067967), (4247, 4944883), (6023, 3486787), (9827, 2137063), (15599, 1346299), (25451, 825151), (43429, 483569), (80693, 260257), (112477, 186713)]