21764538

素因数分解:

$2^1\times 3^5\times {\mathrm{19}}^1\times {\mathrm{2357}}^1$

素因数の和:2393

約数の個数: 48

約数和(自身を含む): 51498720

約数和(自身を除く): 29734182

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 243, 342, 486, 513, 1026, 1539, 2357, 3078, 4617, 4714, 7071, 9234, 14142, 21213, 42426, 44783, 63639, 89566, 127278, 134349, 190917, 268698, 381834, 403047, 572751, 806094, 1145502, 1209141, 2418282, 3627423, 7254846, 10882269, 21764538]

約数ペア:

[(1, 21764538), (2, 10882269), (3, 7254846), (6, 3627423), (9, 2418282), (18, 1209141), (19, 1145502), (27, 806094), (38, 572751), (54, 403047), (57, 381834), (81, 268698), (114, 190917), (162, 134349), (171, 127278), (243, 89566), (342, 63639), (486, 44783), (513, 42426), (1026, 21213), (1539, 14142), (2357, 9234), (3078, 7071), (4617, 4714)]