21760928

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5113}}^1$

素因数の和:5149

約数の個数: 48

約数和(自身を含む): 51549120

約数和(自身を除く): 29788192

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 304, 532, 608, 1064, 2128, 4256, 5113, 10226, 20452, 35791, 40904, 71582, 81808, 97147, 143164, 163616, 194294, 286328, 388588, 572656, 680029, 777176, 1145312, 1360058, 1554352, 2720116, 3108704, 5440232, 10880464, 21760928]

約数ペア:

[(1, 21760928), (2, 10880464), (4, 5440232), (7, 3108704), (8, 2720116), (14, 1554352), (16, 1360058), (19, 1145312), (28, 777176), (32, 680029), (38, 572656), (56, 388588), (76, 286328), (112, 194294), (133, 163616), (152, 143164), (224, 97147), (266, 81808), (304, 71582), (532, 40904), (608, 35791), (1064, 20452), (2128, 10226), (4256, 5113)]