21272976

素因数分解:

$2^4\times 3^3\times {\mathrm{23}}^1\times {\mathrm{2141}}^1$

素因数の和:2181

約数の個数: 80

約数和(自身を含む): 63745920

約数和(自身を除く): 42472944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 36, 46, 48, 54, 69, 72, 92, 108, 138, 144, 184, 207, 216, 276, 368, 414, 432, 552, 621, 828, 1104, 1242, 1656, 2141, 2484, 3312, 4282, 4968, 6423, 8564, 9936, 12846, 17128, 19269, 25692, 34256, 38538, 49243, 51384, 57807, 77076, 98486, 102768, 115614, 147729, 154152, 196972, 231228, 295458, 308304, 393944, 443187, 462456, 590916, 787888, 886374, 924912, 1181832, 1329561, 1772748, 2363664, 2659122, 3545496, 5318244, 7090992, 10636488, 21272976]

約数ペア:

[(1, 21272976), (2, 10636488), (3, 7090992), (4, 5318244), (6, 3545496), (8, 2659122), (9, 2363664), (12, 1772748), (16, 1329561), (18, 1181832), (23, 924912), (24, 886374), (27, 787888), (36, 590916), (46, 462456), (48, 443187), (54, 393944), (69, 308304), (72, 295458), (92, 231228), (108, 196972), (138, 154152), (144, 147729), (184, 115614), (207, 102768), (216, 98486), (276, 77076), (368, 57807), (414, 51384), (432, 49243), (552, 38538), (621, 34256), (828, 25692), (1104, 19269), (1242, 17128), (1656, 12846), (2141, 9936), (2484, 8564), (3312, 6423), (4282, 4968)]