21879984

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{65119}}^1$

素因数の和:65137

約数の個数: 40

約数和(自身を含む): 64599040

約数和(自身を除く): 42719056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 65119, 130238, 195357, 260476, 390714, 455833, 520952, 781428, 911666, 1041904, 1367499, 1562856, 1823332, 2734998, 3125712, 3646664, 5469996, 7293328, 10939992, 21879984]

約数ペア:

[(1, 21879984), (2, 10939992), (3, 7293328), (4, 5469996), (6, 3646664), (7, 3125712), (8, 2734998), (12, 1823332), (14, 1562856), (16, 1367499), (21, 1041904), (24, 911666), (28, 781428), (42, 520952), (48, 455833), (56, 390714), (84, 260476), (112, 195357), (168, 130238), (336, 65119)]