21964425

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:167

約数の個数: 96

約数和(自身を含む): 46282752

約数和(自身を除く): 24318327

約数列:

[1, 3, 5, 7, 15, 17, 21, 23, 25, 35, 51, 69, 75, 85, 105, 107, 115, 119, 161, 175, 255, 321, 345, 357, 391, 425, 483, 525, 535, 575, 595, 749, 805, 1173, 1275, 1605, 1725, 1785, 1819, 1955, 2247, 2415, 2461, 2675, 2737, 2975, 3745, 4025, 5457, 5865, 7383, 8025, 8211, 8925, 9095, 9775, 11235, 12075, 12305, 12733, 13685, 17227, 18725, 27285, 29325, 36915, 38199, 41055, 41837, 45475, 51681, 56175, 61525, 63665, 68425, 86135, 125511, 136425, 184575, 190995, 205275, 209185, 258405, 292859, 318325, 430675, 627555, 878577, 954975, 1045925, 1292025, 1464295, 3137775, 4392885, 7321475, 21964425]

約数ペア:

[(1, 21964425), (3, 7321475), (5, 4392885), (7, 3137775), (15, 1464295), (17, 1292025), (21, 1045925), (23, 954975), (25, 878577), (35, 627555), (51, 430675), (69, 318325), (75, 292859), (85, 258405), (105, 209185), (107, 205275), (115, 190995), (119, 184575), (161, 136425), (175, 125511), (255, 86135), (321, 68425), (345, 63665), (357, 61525), (391, 56175), (425, 51681), (483, 45475), (525, 41837), (535, 41055), (575, 38199), (595, 36915), (749, 29325), (805, 27285), (1173, 18725), (1275, 17227), (1605, 13685), (1725, 12733), (1785, 12305), (1819, 12075), (1955, 11235), (2247, 9775), (2415, 9095), (2461, 8925), (2675, 8211), (2737, 8025), (2975, 7383), (3745, 5865), (4025, 5457)]