21491551116

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{12183419}}^1$

素因数の和:12183443

約数の個数: 54

約数和(自身を含む): 63195399540

約数和(自身を除く): 41703848424

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 12183419, 24366838, 36550257, 48733676, 73100514, 85283933, 109650771, 146201028, 170567866, 219301542, 255851799, 341135732, 438603084, 511703598, 596987531, 767555397, 1023407196, 1193975062, 1535110794, 1790962593, 2387950124, 3070221588, 3581925186, 5372887779, 7163850372, 10745775558, 21491551116]

約数ペア:

[(1, 21491551116), (2, 10745775558), (3, 7163850372), (4, 5372887779), (6, 3581925186), (7, 3070221588), (9, 2387950124), (12, 1790962593), (14, 1535110794), (18, 1193975062), (21, 1023407196), (28, 767555397), (36, 596987531), (42, 511703598), (49, 438603084), (63, 341135732), (84, 255851799), (98, 219301542), (126, 170567866), (147, 146201028), (196, 109650771), (252, 85283933), (294, 73100514), (441, 48733676), (588, 36550257), (882, 24366838), (1764, 12183419)]