21819988554

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1553}}^1\times {\mathrm{25733}}^1$

素因数の和:27311

約数の個数: 64

約数和(自身を含む): 53747414784

約数和(自身を除く): 31927426230

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 1553, 3106, 4659, 9318, 10871, 20189, 21742, 25733, 32613, 40378, 51466, 60567, 65226, 77199, 121134, 141323, 154398, 180131, 282646, 334529, 360262, 423969, 540393, 669058, 847938, 1003587, 1080786, 2007174, 2341703, 4683406, 7025109, 14050218, 39963349, 79926698, 119890047, 239780094, 279743443, 519523537, 559486886, 839230329, 1039047074, 1558570611, 1678460658, 3117141222, 3636664759, 7273329518, 10909994277, 21819988554]

約数ペア:

[(1, 21819988554), (2, 10909994277), (3, 7273329518), (6, 3636664759), (7, 3117141222), (13, 1678460658), (14, 1558570611), (21, 1039047074), (26, 839230329), (39, 559486886), (42, 519523537), (78, 279743443), (91, 239780094), (182, 119890047), (273, 79926698), (546, 39963349), (1553, 14050218), (3106, 7025109), (4659, 4683406), (9318, 2341703), (10871, 2007174), (20189, 1080786), (21742, 1003587), (25733, 847938), (32613, 669058), (40378, 540393), (51466, 423969), (60567, 360262), (65226, 334529), (77199, 282646), (121134, 180131), (141323, 154398)]