21400488

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{12923}}^1$

素因数の和:12958

約数の個数: 48

約数和(自身を含む): 60484320

約数和(自身を除く): 39083832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 12923, 25846, 38769, 51692, 77538, 103384, 116307, 155076, 232614, 297229, 310152, 465228, 594458, 891687, 930456, 1188916, 1783374, 2377832, 2675061, 3566748, 5350122, 7133496, 10700244, 21400488]

約数ペア:

[(1, 21400488), (2, 10700244), (3, 7133496), (4, 5350122), (6, 3566748), (8, 2675061), (9, 2377832), (12, 1783374), (18, 1188916), (23, 930456), (24, 891687), (36, 594458), (46, 465228), (69, 310152), (72, 297229), (92, 232614), (138, 155076), (184, 116307), (207, 103384), (276, 77538), (414, 51692), (552, 38769), (828, 25846), (1656, 12923)]