21077889830

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1\times {\mathrm{6367}}^1$

素因数の和:6645

約数の個数: 64

約数和(自身を含む): 40054210560

約数和(自身を除く): 18976320730

約数列:

[1, 2, 5, 10, 31, 59, 62, 118, 155, 181, 295, 310, 362, 590, 905, 1810, 1829, 3658, 5611, 6367, 9145, 10679, 11222, 12734, 18290, 21358, 28055, 31835, 53395, 56110, 63670, 106790, 197377, 331049, 375653, 394754, 662098, 751306, 986885, 1152427, 1655245, 1878265, 1973770, 2304854, 3310490, 3756530, 5762135, 11524270, 11645243, 23290486, 35725237, 58226215, 67993193, 71450474, 116452430, 135986386, 178626185, 339965965, 357252370, 679931930, 2107788983, 4215577966, 10538944915, 21077889830]

約数ペア:

[(1, 21077889830), (2, 10538944915), (5, 4215577966), (10, 2107788983), (31, 679931930), (59, 357252370), (62, 339965965), (118, 178626185), (155, 135986386), (181, 116452430), (295, 71450474), (310, 67993193), (362, 58226215), (590, 35725237), (905, 23290486), (1810, 11645243), (1829, 11524270), (3658, 5762135), (5611, 3756530), (6367, 3310490), (9145, 2304854), (10679, 1973770), (11222, 1878265), (12734, 1655245), (18290, 1152427), (21358, 986885), (28055, 751306), (31835, 662098), (53395, 394754), (56110, 375653), (63670, 331049), (106790, 197377)]