21449100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 67495680

約数和(自身を除く): 46046580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 53, 57, 60, 71, 75, 76, 95, 100, 106, 114, 142, 150, 159, 190, 212, 213, 228, 265, 284, 285, 300, 318, 355, 380, 426, 475, 530, 570, 636, 710, 795, 852, 950, 1007, 1060, 1065, 1140, 1325, 1349, 1420, 1425, 1590, 1775, 1900, 2014, 2130, 2650, 2698, 2850, 3021, 3180, 3550, 3763, 3975, 4028, 4047, 4260, 5035, 5300, 5325, 5396, 5700, 6042, 6745, 7100, 7526, 7950, 8094, 10070, 10650, 11289, 12084, 13490, 15052, 15105, 15900, 16188, 18815, 20140, 20235, 21300, 22578, 25175, 26980, 30210, 33725, 37630, 40470, 45156, 50350, 56445, 60420, 67450, 71497, 75260, 75525, 80940, 94075, 100700, 101175, 112890, 134900, 142994, 151050, 188150, 202350, 214491, 225780, 282225, 285988, 302100, 357485, 376300, 404700, 428982, 564450, 714970, 857964, 1072455, 1128900, 1429940, 1787425, 2144910, 3574850, 4289820, 5362275, 7149700, 10724550, 21449100]

約数ペア:

[(1, 21449100), (2, 10724550), (3, 7149700), (4, 5362275), (5, 4289820), (6, 3574850), (10, 2144910), (12, 1787425), (15, 1429940), (19, 1128900), (20, 1072455), (25, 857964), (30, 714970), (38, 564450), (50, 428982), (53, 404700), (57, 376300), (60, 357485), (71, 302100), (75, 285988), (76, 282225), (95, 225780), (100, 214491), (106, 202350), (114, 188150), (142, 151050), (150, 142994), (159, 134900), (190, 112890), (212, 101175), (213, 100700), (228, 94075), (265, 80940), (284, 75525), (285, 75260), (300, 71497), (318, 67450), (355, 60420), (380, 56445), (426, 50350), (475, 45156), (530, 40470), (570, 37630), (636, 33725), (710, 30210), (795, 26980), (852, 25175), (950, 22578), (1007, 21300), (1060, 20235), (1065, 20140), (1140, 18815), (1325, 16188), (1349, 15900), (1420, 15105), (1425, 15052), (1590, 13490), (1775, 12084), (1900, 11289), (2014, 10650), (2130, 10070), (2650, 8094), (2698, 7950), (2850, 7526), (3021, 7100), (3180, 6745), (3550, 6042), (3763, 5700), (3975, 5396), (4028, 5325), (4047, 5300), (4260, 5035)]