21207534

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 48936960

約数和(自身を除く): 27729426

約数列:

[1, 2, 3, 6, 17, 19, 31, 34, 38, 51, 57, 62, 93, 102, 114, 186, 323, 353, 527, 589, 646, 706, 969, 1054, 1059, 1178, 1581, 1767, 1938, 2118, 3162, 3534, 6001, 6707, 10013, 10943, 12002, 13414, 18003, 20026, 20121, 21886, 30039, 32829, 36006, 40242, 60078, 65658, 114019, 186031, 207917, 228038, 342057, 372062, 415834, 558093, 623751, 684114, 1116186, 1247502, 3534589, 7069178, 10603767, 21207534]

約数ペア:

[(1, 21207534), (2, 10603767), (3, 7069178), (6, 3534589), (17, 1247502), (19, 1116186), (31, 684114), (34, 623751), (38, 558093), (51, 415834), (57, 372062), (62, 342057), (93, 228038), (102, 207917), (114, 186031), (186, 114019), (323, 65658), (353, 60078), (527, 40242), (589, 36006), (646, 32829), (706, 30039), (969, 21886), (1054, 20121), (1059, 20026), (1178, 18003), (1581, 13414), (1767, 12002), (1938, 10943), (2118, 10013), (3162, 6707), (3534, 6001)]