21320639862

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{167623}}^1$

素因数の和:167717

約数の個数: 64

約数和(自身を含む): 47792954880

約数和(自身を除く): 26472315018

約数列:

[1, 2, 3, 6, 17, 29, 34, 43, 51, 58, 86, 87, 102, 129, 174, 258, 493, 731, 986, 1247, 1462, 1479, 2193, 2494, 2958, 3741, 4386, 7482, 21199, 42398, 63597, 127194, 167623, 335246, 502869, 1005738, 2849591, 4861067, 5699182, 7207789, 8548773, 9722134, 14415578, 14583201, 17097546, 21623367, 29166402, 43246734, 82638139, 122532413, 165276278, 209025881, 245064826, 247914417, 367597239, 418051762, 495828834, 627077643, 735194478, 1254155286, 3553439977, 7106879954, 10660319931, 21320639862]

約数ペア:

[(1, 21320639862), (2, 10660319931), (3, 7106879954), (6, 3553439977), (17, 1254155286), (29, 735194478), (34, 627077643), (43, 495828834), (51, 418051762), (58, 367597239), (86, 247914417), (87, 245064826), (102, 209025881), (129, 165276278), (174, 122532413), (258, 82638139), (493, 43246734), (731, 29166402), (986, 21623367), (1247, 17097546), (1462, 14583201), (1479, 14415578), (2193, 9722134), (2494, 8548773), (2958, 7207789), (3741, 5699182), (4386, 4861067), (7482, 2849591), (21199, 1005738), (42398, 502869), (63597, 335246), (127194, 167623)]