2021176220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{63599}}^1$

素因数の和:63842

約数の個数: 48

約数和(自身を含む): 4872268800

約数和(自身を除く): 2851092580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 227, 454, 908, 1135, 1589, 2270, 3178, 4540, 6356, 7945, 15890, 31780, 63599, 127198, 254396, 317995, 445193, 635990, 890386, 1271980, 1780772, 2225965, 4451930, 8903860, 14436973, 28873946, 57747892, 72184865, 101058811, 144369730, 202117622, 288739460, 404235244, 505294055, 1010588110, 2021176220]

約数ペア:

[(1, 2021176220), (2, 1010588110), (4, 505294055), (5, 404235244), (7, 288739460), (10, 202117622), (14, 144369730), (20, 101058811), (28, 72184865), (35, 57747892), (70, 28873946), (140, 14436973), (227, 8903860), (454, 4451930), (908, 2225965), (1135, 1780772), (1589, 1271980), (2270, 890386), (3178, 635990), (4540, 445193), (6356, 317995), (7945, 254396), (15890, 127198), (31780, 63599)]