21818196

素因数分解:

$2^2\times 3^2\times {\mathrm{331}}^1\times {\mathrm{1831}}^1$

素因数の和:2172

約数の個数: 36

約数和(自身を含む): 55348384

約数和(自身を除く): 33530188

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 331, 662, 993, 1324, 1831, 1986, 2979, 3662, 3972, 5493, 5958, 7324, 10986, 11916, 16479, 21972, 32958, 65916, 606061, 1212122, 1818183, 2424244, 3636366, 5454549, 7272732, 10909098, 21818196]

約数ペア:

[(1, 21818196), (2, 10909098), (3, 7272732), (4, 5454549), (6, 3636366), (9, 2424244), (12, 1818183), (18, 1212122), (36, 606061), (331, 65916), (662, 32958), (993, 21972), (1324, 16479), (1831, 11916), (1986, 10986), (2979, 7324), (3662, 5958), (3972, 5493)]