21832767

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:165

約数の個数: 64

約数和(自身を含む): 38361600

約数和(自身を除く): 16528833

約数列:

[1, 3, 9, 11, 19, 27, 33, 53, 57, 73, 99, 159, 171, 209, 219, 297, 477, 513, 583, 627, 657, 803, 1007, 1387, 1431, 1749, 1881, 1971, 2409, 3021, 3869, 4161, 5247, 5643, 7227, 9063, 11077, 11607, 12483, 15257, 15741, 21681, 27189, 33231, 34821, 37449, 42559, 45771, 73511, 99693, 104463, 127677, 137313, 220533, 299079, 383031, 411939, 661599, 808621, 1149093, 1984797, 2425863, 7277589, 21832767]

約数ペア:

[(1, 21832767), (3, 7277589), (9, 2425863), (11, 1984797), (19, 1149093), (27, 808621), (33, 661599), (53, 411939), (57, 383031), (73, 299079), (99, 220533), (159, 137313), (171, 127677), (209, 104463), (219, 99693), (297, 73511), (477, 45771), (513, 42559), (583, 37449), (627, 34821), (657, 33231), (803, 27189), (1007, 21681), (1387, 15741), (1431, 15257), (1749, 12483), (1881, 11607), (1971, 11077), (2409, 9063), (3021, 7227), (3869, 5643), (4161, 5247)]