21869904

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{65089}}^1$

素因数の和:65107

約数の個数: 40

約数和(自身を含む): 64569280

約数和(自身を除く): 42699376

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 65089, 130178, 195267, 260356, 390534, 455623, 520712, 781068, 911246, 1041424, 1366869, 1562136, 1822492, 2733738, 3124272, 3644984, 5467476, 7289968, 10934952, 21869904]

約数ペア:

[(1, 21869904), (2, 10934952), (3, 7289968), (4, 5467476), (6, 3644984), (7, 3124272), (8, 2733738), (12, 1822492), (14, 1562136), (16, 1366869), (21, 1041424), (24, 911246), (28, 781068), (42, 520712), (48, 455623), (56, 390534), (84, 260356), (112, 195267), (168, 130178), (336, 65089)]