21240936

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{15527}}^1$

素因数の和:15558

約数の個数: 48

約数和(自身を含む): 60559200

約数和(自身を除く): 39318264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 15527, 31054, 46581, 62108, 93162, 124216, 139743, 186324, 279486, 295013, 372648, 558972, 590026, 885039, 1117944, 1180052, 1770078, 2360104, 2655117, 3540156, 5310234, 7080312, 10620468, 21240936]

約数ペア:

[(1, 21240936), (2, 10620468), (3, 7080312), (4, 5310234), (6, 3540156), (8, 2655117), (9, 2360104), (12, 1770078), (18, 1180052), (19, 1117944), (24, 885039), (36, 590026), (38, 558972), (57, 372648), (72, 295013), (76, 279486), (114, 186324), (152, 139743), (171, 124216), (228, 93162), (342, 62108), (456, 46581), (684, 31054), (1368, 15527)]