21355068

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{6871}}^1$

素因数の和:6922

約数の個数: 48

約数和(自身を含む): 58494464

約数和(自身を除く): 37139396

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 1036, 1554, 3108, 6871, 13742, 20613, 27484, 41226, 48097, 82452, 96194, 144291, 192388, 254227, 288582, 508454, 577164, 762681, 1016908, 1525362, 1779589, 3050724, 3559178, 5338767, 7118356, 10677534, 21355068]

約数ペア:

[(1, 21355068), (2, 10677534), (3, 7118356), (4, 5338767), (6, 3559178), (7, 3050724), (12, 1779589), (14, 1525362), (21, 1016908), (28, 762681), (37, 577164), (42, 508454), (74, 288582), (84, 254227), (111, 192388), (148, 144291), (222, 96194), (259, 82452), (444, 48097), (518, 41226), (777, 27484), (1036, 20613), (1554, 13742), (3108, 6871)]