21395016

素因数分解:

$2^3\times 3^4\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:396

約数の個数: 80

約数和(自身を含む): 60613740

約数和(自身を除く): 39218724

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 137, 162, 216, 241, 274, 324, 411, 482, 548, 648, 723, 822, 964, 1096, 1233, 1446, 1644, 1928, 2169, 2466, 2892, 3288, 3699, 4338, 4932, 5784, 6507, 7398, 8676, 9864, 11097, 13014, 14796, 17352, 19521, 22194, 26028, 29592, 33017, 39042, 44388, 52056, 66034, 78084, 88776, 99051, 132068, 156168, 198102, 264136, 297153, 396204, 594306, 792408, 891459, 1188612, 1782918, 2377224, 2674377, 3565836, 5348754, 7131672, 10697508, 21395016]

約数ペア:

[(1, 21395016), (2, 10697508), (3, 7131672), (4, 5348754), (6, 3565836), (8, 2674377), (9, 2377224), (12, 1782918), (18, 1188612), (24, 891459), (27, 792408), (36, 594306), (54, 396204), (72, 297153), (81, 264136), (108, 198102), (137, 156168), (162, 132068), (216, 99051), (241, 88776), (274, 78084), (324, 66034), (411, 52056), (482, 44388), (548, 39042), (648, 33017), (723, 29592), (822, 26028), (964, 22194), (1096, 19521), (1233, 17352), (1446, 14796), (1644, 13014), (1928, 11097), (2169, 9864), (2466, 8676), (2892, 7398), (3288, 6507), (3699, 5784), (4338, 4932)]