21845964

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{701}}^1$

素因数の和:775

約数の個数: 72

約数和(自身を含む): 60501168

約数和(自身を除く): 38655204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 53, 84, 98, 106, 147, 159, 196, 212, 294, 318, 371, 588, 636, 701, 742, 1113, 1402, 1484, 2103, 2226, 2597, 2804, 4206, 4452, 4907, 5194, 7791, 8412, 9814, 10388, 14721, 15582, 19628, 29442, 31164, 34349, 37153, 58884, 68698, 74306, 103047, 111459, 137396, 148612, 206094, 222918, 260071, 412188, 445836, 520142, 780213, 1040284, 1560426, 1820497, 3120852, 3640994, 5461491, 7281988, 10922982, 21845964]

約数ペア:

[(1, 21845964), (2, 10922982), (3, 7281988), (4, 5461491), (6, 3640994), (7, 3120852), (12, 1820497), (14, 1560426), (21, 1040284), (28, 780213), (42, 520142), (49, 445836), (53, 412188), (84, 260071), (98, 222918), (106, 206094), (147, 148612), (159, 137396), (196, 111459), (212, 103047), (294, 74306), (318, 68698), (371, 58884), (588, 37153), (636, 34349), (701, 31164), (742, 29442), (1113, 19628), (1402, 15582), (1484, 14721), (2103, 10388), (2226, 9814), (2597, 8412), (2804, 7791), (4206, 5194), (4452, 4907)]