21920220

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{1933}}^1$

素因数の和:1961

約数の個数: 120

約数和(自身を含む): 78628704

約数和(自身を除く): 56708484

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 1933, 2268, 2835, 3780, 3866, 5670, 5799, 7732, 9665, 11340, 11598, 13531, 17397, 19330, 23196, 27062, 28995, 34794, 38660, 40593, 52191, 54124, 57990, 67655, 69588, 81186, 86985, 104382, 115980, 121779, 135310, 156573, 162372, 173970, 202965, 208764, 243558, 260955, 270620, 313146, 347940, 365337, 405930, 487116, 521910, 608895, 626292, 730674, 782865, 811860, 1043820, 1096011, 1217790, 1461348, 1565730, 1826685, 2192022, 2435580, 3131460, 3653370, 4384044, 5480055, 7306740, 10960110, 21920220]

約数ペア:

[(1, 21920220), (2, 10960110), (3, 7306740), (4, 5480055), (5, 4384044), (6, 3653370), (7, 3131460), (9, 2435580), (10, 2192022), (12, 1826685), (14, 1565730), (15, 1461348), (18, 1217790), (20, 1096011), (21, 1043820), (27, 811860), (28, 782865), (30, 730674), (35, 626292), (36, 608895), (42, 521910), (45, 487116), (54, 405930), (60, 365337), (63, 347940), (70, 313146), (81, 270620), (84, 260955), (90, 243558), (105, 208764), (108, 202965), (126, 173970), (135, 162372), (140, 156573), (162, 135310), (180, 121779), (189, 115980), (210, 104382), (252, 86985), (270, 81186), (315, 69588), (324, 67655), (378, 57990), (405, 54124), (420, 52191), (540, 40593), (567, 38660), (630, 34794), (756, 28995), (810, 27062), (945, 23196), (1134, 19330), (1260, 17397), (1620, 13531), (1890, 11598), (1933, 11340), (2268, 9665), (2835, 7732), (3780, 5799), (3866, 5670)]