21625890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^2$

素因数の和:176

約数の個数: 96

約数和(自身を含む): 61846848

約数和(自身を除く): 40220958

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 71, 78, 110, 130, 142, 143, 165, 195, 213, 286, 330, 355, 390, 426, 429, 710, 715, 781, 858, 923, 1065, 1430, 1562, 1846, 2130, 2145, 2343, 2769, 3905, 4290, 4615, 4686, 5041, 5538, 7810, 9230, 10082, 10153, 11715, 13845, 15123, 20306, 23430, 25205, 27690, 30246, 30459, 50410, 50765, 55451, 60918, 65533, 75615, 101530, 110902, 131066, 151230, 152295, 166353, 196599, 277255, 304590, 327665, 332706, 393198, 554510, 655330, 720863, 831765, 982995, 1441726, 1663530, 1965990, 2162589, 3604315, 4325178, 7208630, 10812945, 21625890]

約数ペア:

[(1, 21625890), (2, 10812945), (3, 7208630), (5, 4325178), (6, 3604315), (10, 2162589), (11, 1965990), (13, 1663530), (15, 1441726), (22, 982995), (26, 831765), (30, 720863), (33, 655330), (39, 554510), (55, 393198), (65, 332706), (66, 327665), (71, 304590), (78, 277255), (110, 196599), (130, 166353), (142, 152295), (143, 151230), (165, 131066), (195, 110902), (213, 101530), (286, 75615), (330, 65533), (355, 60918), (390, 55451), (426, 50765), (429, 50410), (710, 30459), (715, 30246), (781, 27690), (858, 25205), (923, 23430), (1065, 20306), (1430, 15123), (1562, 13845), (1846, 11715), (2130, 10153), (2145, 10082), (2343, 9230), (2769, 7810), (3905, 5538), (4290, 5041), (4615, 4686)]