21368448

素因数分解:

$2^7\times 3^6\times {\mathrm{229}}^1$

素因数の和:261

約数の個数: 112

約数和(自身を含む): 64104450

約数和(自身を除く): 42736002

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 229, 243, 288, 324, 384, 432, 458, 486, 576, 648, 687, 729, 864, 916, 972, 1152, 1296, 1374, 1458, 1728, 1832, 1944, 2061, 2592, 2748, 2916, 3456, 3664, 3888, 4122, 5184, 5496, 5832, 6183, 7328, 7776, 8244, 10368, 10992, 11664, 12366, 14656, 15552, 16488, 18549, 21984, 23328, 24732, 29312, 31104, 32976, 37098, 43968, 46656, 49464, 55647, 65952, 74196, 87936, 93312, 98928, 111294, 131904, 148392, 166941, 197856, 222588, 263808, 296784, 333882, 395712, 445176, 593568, 667764, 791424, 890352, 1187136, 1335528, 1780704, 2374272, 2671056, 3561408, 5342112, 7122816, 10684224, 21368448]

約数ペア:

[(1, 21368448), (2, 10684224), (3, 7122816), (4, 5342112), (6, 3561408), (8, 2671056), (9, 2374272), (12, 1780704), (16, 1335528), (18, 1187136), (24, 890352), (27, 791424), (32, 667764), (36, 593568), (48, 445176), (54, 395712), (64, 333882), (72, 296784), (81, 263808), (96, 222588), (108, 197856), (128, 166941), (144, 148392), (162, 131904), (192, 111294), (216, 98928), (229, 93312), (243, 87936), (288, 74196), (324, 65952), (384, 55647), (432, 49464), (458, 46656), (486, 43968), (576, 37098), (648, 32976), (687, 31104), (729, 29312), (864, 24732), (916, 23328), (972, 21984), (1152, 18549), (1296, 16488), (1374, 15552), (1458, 14656), (1728, 12366), (1832, 11664), (1944, 10992), (2061, 10368), (2592, 8244), (2748, 7776), (2916, 7328), (3456, 6183), (3664, 5832), (3888, 5496), (4122, 5184)]