21676112

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{631}}^1$

素因数の和:771

約数の個数: 40

約数和(自身を含む): 44669760

約数和(自身を除く): 22993648

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 113, 152, 226, 304, 452, 631, 904, 1262, 1808, 2147, 2524, 4294, 5048, 8588, 10096, 11989, 17176, 23978, 34352, 47956, 71303, 95912, 142606, 191824, 285212, 570424, 1140848, 1354757, 2709514, 5419028, 10838056, 21676112]

約数ペア:

[(1, 21676112), (2, 10838056), (4, 5419028), (8, 2709514), (16, 1354757), (19, 1140848), (38, 570424), (76, 285212), (113, 191824), (152, 142606), (226, 95912), (304, 71303), (452, 47956), (631, 34352), (904, 23978), (1262, 17176), (1808, 11989), (2147, 10096), (2524, 8588), (4294, 5048)]