21951783

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6113}}^1$

素因数の和:6148

約数の個数: 32

約数和(自身を含む): 39129600

約数和(自身を除く): 17177817

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 6113, 18339, 42791, 55017, 116147, 128373, 165051, 348441, 385119, 813029, 1045323, 1155357, 2439087, 3135969, 7317261, 21951783]

約数ペア:

[(1, 21951783), (3, 7317261), (7, 3135969), (9, 2439087), (19, 1155357), (21, 1045323), (27, 813029), (57, 385119), (63, 348441), (133, 165051), (171, 128373), (189, 116147), (399, 55017), (513, 42791), (1197, 18339), (3591, 6113)]