2021003530

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{317269}}^1$

素因数の和:317303

約数の個数: 48

約数和(自身を含む): 4557266280

約数和(自身を除く): 2536262750

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 6370, 317269, 634538, 1586345, 2220883, 3172690, 4124497, 4441766, 8248994, 11104415, 15546181, 20622485, 22208830, 28871479, 31092362, 41244970, 57742958, 77730905, 144357395, 155461810, 202100353, 288714790, 404200706, 1010501765, 2021003530]

約数ペア:

[(1, 2021003530), (2, 1010501765), (5, 404200706), (7, 288714790), (10, 202100353), (13, 155461810), (14, 144357395), (26, 77730905), (35, 57742958), (49, 41244970), (65, 31092362), (70, 28871479), (91, 22208830), (98, 20622485), (130, 15546181), (182, 11104415), (245, 8248994), (455, 4441766), (490, 4124497), (637, 3172690), (910, 2220883), (1274, 1586345), (3185, 634538), (6370, 317269)]