21865599

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6089}}^1$

素因数の和:6124

約数の個数: 32

約数和(自身を含む): 38976000

約数和(自身を除く): 17110401

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 6089, 18267, 42623, 54801, 115691, 127869, 164403, 347073, 383607, 809837, 1041219, 1150821, 2429511, 3123657, 7288533, 21865599]

約数ペア:

[(1, 21865599), (3, 7288533), (7, 3123657), (9, 2429511), (19, 1150821), (21, 1041219), (27, 809837), (57, 383607), (63, 347073), (133, 164403), (171, 127869), (189, 115691), (399, 54801), (513, 42623), (1197, 18267), (3591, 6089)]