21894600

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:440

約数の個数: 192

約数和(自身を含む): 83744640

約数和(自身を除く): 61850040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 25, 26, 28, 30, 35, 39, 40, 42, 50, 52, 56, 60, 65, 70, 75, 78, 84, 91, 100, 104, 105, 120, 130, 140, 150, 156, 168, 175, 182, 195, 200, 210, 260, 273, 280, 300, 312, 325, 350, 364, 390, 401, 420, 455, 520, 525, 546, 600, 650, 700, 728, 780, 802, 840, 910, 975, 1050, 1092, 1203, 1300, 1365, 1400, 1560, 1604, 1820, 1950, 2005, 2100, 2184, 2275, 2406, 2600, 2730, 2807, 3208, 3640, 3900, 4010, 4200, 4550, 4812, 5213, 5460, 5614, 6015, 6825, 7800, 8020, 8421, 9100, 9624, 10025, 10426, 10920, 11228, 12030, 13650, 14035, 15639, 16040, 16842, 18200, 20050, 20852, 22456, 24060, 26065, 27300, 28070, 30075, 31278, 33684, 36491, 40100, 41704, 42105, 48120, 52130, 54600, 56140, 60150, 62556, 67368, 70175, 72982, 78195, 80200, 84210, 104260, 109473, 112280, 120300, 125112, 130325, 140350, 145964, 156390, 168420, 182455, 208520, 210525, 218946, 240600, 260650, 280700, 291928, 312780, 336840, 364910, 390975, 421050, 437892, 521300, 547365, 561400, 625560, 729820, 781950, 842100, 875784, 912275, 1042600, 1094730, 1459640, 1563900, 1684200, 1824550, 2189460, 2736825, 3127800, 3649100, 4378920, 5473650, 7298200, 10947300, 21894600]

約数ペア:

[(1, 21894600), (2, 10947300), (3, 7298200), (4, 5473650), (5, 4378920), (6, 3649100), (7, 3127800), (8, 2736825), (10, 2189460), (12, 1824550), (13, 1684200), (14, 1563900), (15, 1459640), (20, 1094730), (21, 1042600), (24, 912275), (25, 875784), (26, 842100), (28, 781950), (30, 729820), (35, 625560), (39, 561400), (40, 547365), (42, 521300), (50, 437892), (52, 421050), (56, 390975), (60, 364910), (65, 336840), (70, 312780), (75, 291928), (78, 280700), (84, 260650), (91, 240600), (100, 218946), (104, 210525), (105, 208520), (120, 182455), (130, 168420), (140, 156390), (150, 145964), (156, 140350), (168, 130325), (175, 125112), (182, 120300), (195, 112280), (200, 109473), (210, 104260), (260, 84210), (273, 80200), (280, 78195), (300, 72982), (312, 70175), (325, 67368), (350, 62556), (364, 60150), (390, 56140), (401, 54600), (420, 52130), (455, 48120), (520, 42105), (525, 41704), (546, 40100), (600, 36491), (650, 33684), (700, 31278), (728, 30075), (780, 28070), (802, 27300), (840, 26065), (910, 24060), (975, 22456), (1050, 20852), (1092, 20050), (1203, 18200), (1300, 16842), (1365, 16040), (1400, 15639), (1560, 14035), (1604, 13650), (1820, 12030), (1950, 11228), (2005, 10920), (2100, 10426), (2184, 10025), (2275, 9624), (2406, 9100), (2600, 8421), (2730, 8020), (2807, 7800), (3208, 6825), (3640, 6015), (3900, 5614), (4010, 5460), (4200, 5213), (4550, 4812)]