21249048

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{52081}}^1$

素因数の和:52107

約数の個数: 32

約数和(自身を含む): 56248560

約数和(自身を除く): 34999512

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 52081, 104162, 156243, 208324, 312486, 416648, 624972, 885377, 1249944, 1770754, 2656131, 3541508, 5312262, 7083016, 10624524, 21249048]

約数ペア:

[(1, 21249048), (2, 10624524), (3, 7083016), (4, 5312262), (6, 3541508), (8, 2656131), (12, 1770754), (17, 1249944), (24, 885377), (34, 624972), (51, 416648), (68, 312486), (102, 208324), (136, 156243), (204, 104162), (408, 52081)]