21895184

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{797}}^1$

素因数の和:923

約数の個数: 40

約数和(自身を含む): 45418968

約数和(自身を除く): 23523784

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 101, 136, 202, 272, 404, 797, 808, 1594, 1616, 1717, 3188, 3434, 6376, 6868, 12752, 13549, 13736, 27098, 27472, 54196, 80497, 108392, 160994, 216784, 321988, 643976, 1287952, 1368449, 2736898, 5473796, 10947592, 21895184]

約数ペア:

[(1, 21895184), (2, 10947592), (4, 5473796), (8, 2736898), (16, 1368449), (17, 1287952), (34, 643976), (68, 321988), (101, 216784), (136, 160994), (202, 108392), (272, 80497), (404, 54196), (797, 27472), (808, 27098), (1594, 13736), (1616, 13549), (1717, 12752), (3188, 6868), (3434, 6376)]