21001470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1031}}^1$

素因数の和:1145

約数の個数: 64

約数和(自身を含む): 58254336

約数和(自身を除く): 37252866

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 97, 105, 194, 210, 291, 485, 582, 679, 970, 1031, 1358, 1455, 2037, 2062, 2910, 3093, 3395, 4074, 5155, 6186, 6790, 7217, 10185, 10310, 14434, 15465, 20370, 21651, 30930, 36085, 43302, 72170, 100007, 108255, 200014, 216510, 300021, 500035, 600042, 700049, 1000070, 1400098, 1500105, 2100147, 3000210, 3500245, 4200294, 7000490, 10500735, 21001470]

約数ペア:

[(1, 21001470), (2, 10500735), (3, 7000490), (5, 4200294), (6, 3500245), (7, 3000210), (10, 2100147), (14, 1500105), (15, 1400098), (21, 1000070), (30, 700049), (35, 600042), (42, 500035), (70, 300021), (97, 216510), (105, 200014), (194, 108255), (210, 100007), (291, 72170), (485, 43302), (582, 36085), (679, 30930), (970, 21651), (1031, 20370), (1358, 15465), (1455, 14434), (2037, 10310), (2062, 10185), (2910, 7217), (3093, 6790), (3395, 6186), (4074, 5155)]