21065836446

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{843781}}^1$

素因数の和:843881

約数の個数: 48

約数和(自身を含む): 48703097040

約数和(自身を除く): 27637260594

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 73, 114, 146, 171, 219, 342, 438, 657, 1314, 1387, 2774, 4161, 8322, 12483, 24966, 843781, 1687562, 2531343, 5062686, 7594029, 15188058, 16031839, 32063678, 48095517, 61596013, 96191034, 123192026, 144286551, 184788039, 288573102, 369576078, 554364117, 1108728234, 1170324247, 2340648494, 3510972741, 7021945482, 10532918223, 21065836446]

約数ペア:

[(1, 21065836446), (2, 10532918223), (3, 7021945482), (6, 3510972741), (9, 2340648494), (18, 1170324247), (19, 1108728234), (38, 554364117), (57, 369576078), (73, 288573102), (114, 184788039), (146, 144286551), (171, 123192026), (219, 96191034), (342, 61596013), (438, 48095517), (657, 32063678), (1314, 16031839), (1387, 15188058), (2774, 7594029), (4161, 5062686), (8322, 2531343), (12483, 1687562), (24966, 843781)]