21487492008

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{30859}}^1$

素因数の和:31399

約数の個数: 96

約数和(自身を含む): 61380540000

約数和(自身を除く): 39893047992

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, 509, 684, 1018, 1368, 1527, 2036, 3054, 4072, 4581, 6108, 9162, 9671, 12216, 18324, 19342, 29013, 30859, 36648, 38684, 58026, 61718, 77368, 87039, 92577, 116052, 123436, 174078, 185154, 232104, 246872, 277731, 348156, 370308, 555462, 586321, 696312, 740616, 1110924, 1172642, 1758963, 2221848, 2345284, 3517926, 4690568, 5276889, 7035852, 10553778, 14071704, 15707231, 21107556, 31414462, 42215112, 47121693, 62828924, 94243386, 125657848, 141365079, 188486772, 282730158, 298437389, 376973544, 565460316, 596874778, 895312167, 1130920632, 1193749556, 1790624334, 2387499112, 2685936501, 3581248668, 5371873002, 7162497336, 10743746004, 21487492008]

約数ペア:

[(1, 21487492008), (2, 10743746004), (3, 7162497336), (4, 5371873002), (6, 3581248668), (8, 2685936501), (9, 2387499112), (12, 1790624334), (18, 1193749556), (19, 1130920632), (24, 895312167), (36, 596874778), (38, 565460316), (57, 376973544), (72, 298437389), (76, 282730158), (114, 188486772), (152, 141365079), (171, 125657848), (228, 94243386), (342, 62828924), (456, 47121693), (509, 42215112), (684, 31414462), (1018, 21107556), (1368, 15707231), (1527, 14071704), (2036, 10553778), (3054, 7035852), (4072, 5276889), (4581, 4690568), (6108, 3517926), (9162, 2345284), (9671, 2221848), (12216, 1758963), (18324, 1172642), (19342, 1110924), (29013, 740616), (30859, 696312), (36648, 586321), (38684, 555462), (58026, 370308), (61718, 348156), (77368, 277731), (87039, 246872), (92577, 232104), (116052, 185154), (123436, 174078)]