21185712

素因数分解:

$2^4\times 3^5\times {\mathrm{5449}}^1$

素因数の和:5472

約数の個数: 60

約数和(自身を含む): 61497800

約数和(自身を除く): 40312088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 648, 972, 1296, 1944, 3888, 5449, 10898, 16347, 21796, 32694, 43592, 49041, 65388, 87184, 98082, 130776, 147123, 196164, 261552, 294246, 392328, 441369, 588492, 784656, 882738, 1176984, 1324107, 1765476, 2353968, 2648214, 3530952, 5296428, 7061904, 10592856, 21185712]

約数ペア:

[(1, 21185712), (2, 10592856), (3, 7061904), (4, 5296428), (6, 3530952), (8, 2648214), (9, 2353968), (12, 1765476), (16, 1324107), (18, 1176984), (24, 882738), (27, 784656), (36, 588492), (48, 441369), (54, 392328), (72, 294246), (81, 261552), (108, 196164), (144, 147123), (162, 130776), (216, 98082), (243, 87184), (324, 65388), (432, 49041), (486, 43592), (648, 32694), (972, 21796), (1296, 16347), (1944, 10898), (3888, 5449)]