21695328

素因数分解:

$2^5\times 3^2\times {\mathrm{71}}^1\times {\mathrm{1061}}^1$

素因数の和:1148

約数の個数: 72

約数和(自身を含む): 62624016

約数和(自身を除く): 40928688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 71, 72, 96, 142, 144, 213, 284, 288, 426, 568, 639, 852, 1061, 1136, 1278, 1704, 2122, 2272, 2556, 3183, 3408, 4244, 5112, 6366, 6816, 8488, 9549, 10224, 12732, 16976, 19098, 20448, 25464, 33952, 38196, 50928, 75331, 76392, 101856, 150662, 152784, 225993, 301324, 305568, 451986, 602648, 677979, 903972, 1205296, 1355958, 1807944, 2410592, 2711916, 3615888, 5423832, 7231776, 10847664, 21695328]

約数ペア:

[(1, 21695328), (2, 10847664), (3, 7231776), (4, 5423832), (6, 3615888), (8, 2711916), (9, 2410592), (12, 1807944), (16, 1355958), (18, 1205296), (24, 903972), (32, 677979), (36, 602648), (48, 451986), (71, 305568), (72, 301324), (96, 225993), (142, 152784), (144, 150662), (213, 101856), (284, 76392), (288, 75331), (426, 50928), (568, 38196), (639, 33952), (852, 25464), (1061, 20448), (1136, 19098), (1278, 16976), (1704, 12732), (2122, 10224), (2272, 9549), (2556, 8488), (3183, 6816), (3408, 6366), (4244, 5112)]