21925696

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:136

約数の個数: 84

約数和(自身を含む): 50128932

約数和(自身を除く): 28203236

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 73, 76, 104, 146, 152, 208, 247, 292, 304, 361, 416, 494, 584, 608, 722, 832, 949, 988, 1168, 1216, 1387, 1444, 1898, 1976, 2336, 2774, 2888, 3796, 3952, 4672, 4693, 5548, 5776, 7592, 7904, 9386, 11096, 11552, 15184, 15808, 18031, 18772, 22192, 23104, 26353, 30368, 36062, 37544, 44384, 52706, 60736, 72124, 75088, 88768, 105412, 144248, 150176, 210824, 288496, 300352, 342589, 421648, 576992, 685178, 843296, 1153984, 1370356, 1686592, 2740712, 5481424, 10962848, 21925696]

約数ペア:

[(1, 21925696), (2, 10962848), (4, 5481424), (8, 2740712), (13, 1686592), (16, 1370356), (19, 1153984), (26, 843296), (32, 685178), (38, 576992), (52, 421648), (64, 342589), (73, 300352), (76, 288496), (104, 210824), (146, 150176), (152, 144248), (208, 105412), (247, 88768), (292, 75088), (304, 72124), (361, 60736), (416, 52706), (494, 44384), (584, 37544), (608, 36062), (722, 30368), (832, 26353), (949, 23104), (988, 22192), (1168, 18772), (1216, 18031), (1387, 15808), (1444, 15184), (1898, 11552), (1976, 11096), (2336, 9386), (2774, 7904), (2888, 7592), (3796, 5776), (3952, 5548), (4672, 4693)]