21702268

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{359}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 46448640

約数和(自身を除く): 24746372

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 127, 238, 254, 359, 476, 508, 718, 889, 1436, 1778, 2159, 2513, 3556, 4318, 5026, 6103, 8636, 10052, 12206, 15113, 24412, 30226, 42721, 45593, 60452, 85442, 91186, 170884, 182372, 319151, 638302, 775081, 1276604, 1550162, 3100324, 5425567, 10851134, 21702268]

約数ペア:

[(1, 21702268), (2, 10851134), (4, 5425567), (7, 3100324), (14, 1550162), (17, 1276604), (28, 775081), (34, 638302), (68, 319151), (119, 182372), (127, 170884), (238, 91186), (254, 85442), (359, 60452), (476, 45593), (508, 42721), (718, 30226), (889, 24412), (1436, 15113), (1778, 12206), (2159, 10052), (2513, 8636), (3556, 6103), (4318, 5026)]