21071664

素因数分解:

$2^4\times 3^4\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:320

約数の個数: 100

約数和(自身を含む): 62116560

約数和(自身を除く): 41044896

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 71, 72, 81, 108, 142, 144, 162, 213, 216, 229, 284, 324, 426, 432, 458, 568, 639, 648, 687, 852, 916, 1136, 1278, 1296, 1374, 1704, 1832, 1917, 2061, 2556, 2748, 3408, 3664, 3834, 4122, 5112, 5496, 5751, 6183, 7668, 8244, 10224, 10992, 11502, 12366, 15336, 16259, 16488, 18549, 23004, 24732, 30672, 32518, 32976, 37098, 46008, 48777, 49464, 65036, 74196, 92016, 97554, 98928, 130072, 146331, 148392, 195108, 260144, 292662, 296784, 390216, 438993, 585324, 780432, 877986, 1170648, 1316979, 1755972, 2341296, 2633958, 3511944, 5267916, 7023888, 10535832, 21071664]

約数ペア:

[(1, 21071664), (2, 10535832), (3, 7023888), (4, 5267916), (6, 3511944), (8, 2633958), (9, 2341296), (12, 1755972), (16, 1316979), (18, 1170648), (24, 877986), (27, 780432), (36, 585324), (48, 438993), (54, 390216), (71, 296784), (72, 292662), (81, 260144), (108, 195108), (142, 148392), (144, 146331), (162, 130072), (213, 98928), (216, 97554), (229, 92016), (284, 74196), (324, 65036), (426, 49464), (432, 48777), (458, 46008), (568, 37098), (639, 32976), (648, 32518), (687, 30672), (852, 24732), (916, 23004), (1136, 18549), (1278, 16488), (1296, 16259), (1374, 15336), (1704, 12366), (1832, 11502), (1917, 10992), (2061, 10224), (2556, 8244), (2748, 7668), (3408, 6183), (3664, 5751), (3834, 5496), (4122, 5112)]