21657552

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1499}}^1$

素因数の和:1560

約数の個数: 80

約数和(自身を含む): 65472000

約数和(自身を除く): 43814448

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 43, 48, 56, 84, 86, 112, 129, 168, 172, 258, 301, 336, 344, 516, 602, 688, 903, 1032, 1204, 1499, 1806, 2064, 2408, 2998, 3612, 4497, 4816, 5996, 7224, 8994, 10493, 11992, 14448, 17988, 20986, 23984, 31479, 35976, 41972, 62958, 64457, 71952, 83944, 125916, 128914, 167888, 193371, 251832, 257828, 386742, 451199, 503664, 515656, 773484, 902398, 1031312, 1353597, 1546968, 1804796, 2707194, 3093936, 3609592, 5414388, 7219184, 10828776, 21657552]

約数ペア:

[(1, 21657552), (2, 10828776), (3, 7219184), (4, 5414388), (6, 3609592), (7, 3093936), (8, 2707194), (12, 1804796), (14, 1546968), (16, 1353597), (21, 1031312), (24, 902398), (28, 773484), (42, 515656), (43, 503664), (48, 451199), (56, 386742), (84, 257828), (86, 251832), (112, 193371), (129, 167888), (168, 128914), (172, 125916), (258, 83944), (301, 71952), (336, 64457), (344, 62958), (516, 41972), (602, 35976), (688, 31479), (903, 23984), (1032, 20986), (1204, 17988), (1499, 14448), (1806, 11992), (2064, 10493), (2408, 8994), (2998, 7224), (3612, 5996), (4497, 4816)]