21893344

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^2$

素因数の和:140

約数の個数: 72

約数和(自身を含む): 49498344

約数和(自身を除く): 27605000

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 41, 44, 74, 82, 88, 148, 164, 176, 296, 328, 352, 407, 451, 592, 656, 814, 902, 1184, 1312, 1517, 1628, 1681, 1804, 3034, 3256, 3362, 3608, 6068, 6512, 6724, 7216, 12136, 13024, 13448, 14432, 16687, 18491, 24272, 26896, 33374, 36982, 48544, 53792, 62197, 66748, 73964, 124394, 133496, 147928, 248788, 266992, 295856, 497576, 533984, 591712, 684167, 995152, 1368334, 1990304, 2736668, 5473336, 10946672, 21893344]

約数ペア:

[(1, 21893344), (2, 10946672), (4, 5473336), (8, 2736668), (11, 1990304), (16, 1368334), (22, 995152), (32, 684167), (37, 591712), (41, 533984), (44, 497576), (74, 295856), (82, 266992), (88, 248788), (148, 147928), (164, 133496), (176, 124394), (296, 73964), (328, 66748), (352, 62197), (407, 53792), (451, 48544), (592, 36982), (656, 33374), (814, 26896), (902, 24272), (1184, 18491), (1312, 16687), (1517, 14432), (1628, 13448), (1681, 13024), (1804, 12136), (3034, 7216), (3256, 6724), (3362, 6512), (3608, 6068)]