21911104

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:555

約数の個数: 56

約数和(自身を含む): 47101760

約数和(自身を除く): 25190656

約数列:

[1, 2, 4, 8, 16, 19, 32, 37, 38, 64, 74, 76, 148, 152, 296, 304, 487, 592, 608, 703, 974, 1184, 1216, 1406, 1948, 2368, 2812, 3896, 5624, 7792, 9253, 11248, 15584, 18019, 18506, 22496, 31168, 36038, 37012, 44992, 72076, 74024, 144152, 148048, 288304, 296096, 342361, 576608, 592192, 684722, 1153216, 1369444, 2738888, 5477776, 10955552, 21911104]

約数ペア:

[(1, 21911104), (2, 10955552), (4, 5477776), (8, 2738888), (16, 1369444), (19, 1153216), (32, 684722), (37, 592192), (38, 576608), (64, 342361), (74, 296096), (76, 288304), (148, 148048), (152, 144152), (296, 74024), (304, 72076), (487, 44992), (592, 37012), (608, 36038), (703, 31168), (974, 22496), (1184, 18506), (1216, 18019), (1406, 15584), (1948, 11248), (2368, 9253), (2812, 7792), (3896, 5624)]