21018276888

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{298589}}^1$

素因数の和:299024

約数の個数: 64

約数和(自身を含む): 60195744000

約数和(自身を除く): 39177467112

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 419, 838, 1257, 1676, 2514, 2933, 3352, 5028, 5866, 8799, 10056, 11732, 17598, 23464, 35196, 70392, 298589, 597178, 895767, 1194356, 1791534, 2090123, 2388712, 3583068, 4180246, 6270369, 7166136, 8360492, 12540738, 16720984, 25081476, 50162952, 125108791, 250217582, 375326373, 500435164, 750652746, 875761537, 1000870328, 1501305492, 1751523074, 2627284611, 3002610984, 3503046148, 5254569222, 7006092296, 10509138444, 21018276888]

約数ペア:

[(1, 21018276888), (2, 10509138444), (3, 7006092296), (4, 5254569222), (6, 3503046148), (7, 3002610984), (8, 2627284611), (12, 1751523074), (14, 1501305492), (21, 1000870328), (24, 875761537), (28, 750652746), (42, 500435164), (56, 375326373), (84, 250217582), (168, 125108791), (419, 50162952), (838, 25081476), (1257, 16720984), (1676, 12540738), (2514, 8360492), (2933, 7166136), (3352, 6270369), (5028, 4180246), (5866, 3583068), (8799, 2388712), (10056, 2090123), (11732, 1791534), (17598, 1194356), (23464, 895767), (35196, 597178), (70392, 298589)]