21070778883

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{21911}}^1$

素因数の和:22136

約数の個数: 64

約数和(自身を含む): 36753260544

約数和(自身を除く): 15682481661

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 161, 181, 231, 253, 483, 543, 759, 1267, 1771, 1991, 3801, 4163, 5313, 5973, 12489, 13937, 21911, 29141, 41811, 45793, 65733, 87423, 137379, 153377, 241021, 320551, 460131, 503953, 723063, 961653, 1511859, 1687147, 3527671, 3965891, 5061441, 5543483, 10583013, 11897673, 16630449, 27761237, 38804381, 43624801, 83283711, 91215493, 116413143, 130874403, 273646479, 305373607, 638508451, 916120821, 1003370423, 1915525353, 3010111269, 7023592961, 21070778883]

約数ペア:

[(1, 21070778883), (3, 7023592961), (7, 3010111269), (11, 1915525353), (21, 1003370423), (23, 916120821), (33, 638508451), (69, 305373607), (77, 273646479), (161, 130874403), (181, 116413143), (231, 91215493), (253, 83283711), (483, 43624801), (543, 38804381), (759, 27761237), (1267, 16630449), (1771, 11897673), (1991, 10583013), (3801, 5543483), (4163, 5061441), (5313, 3965891), (5973, 3527671), (12489, 1687147), (13937, 1511859), (21911, 961653), (29141, 723063), (41811, 503953), (45793, 460131), (65733, 320551), (87423, 241021), (137379, 153377)]