21782448

素因数分解:

$2^4\times 3^2\times {\mathrm{331}}^1\times {\mathrm{457}}^1$

素因数の和:802

約数の個数: 60

約数和(自身を含む): 61278568

約数和(自身を除く): 39496120

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 331, 457, 662, 914, 993, 1324, 1371, 1828, 1986, 2648, 2742, 2979, 3656, 3972, 4113, 5296, 5484, 5958, 7312, 7944, 8226, 10968, 11916, 15888, 16452, 21936, 23832, 32904, 47664, 65808, 151267, 302534, 453801, 605068, 907602, 1210136, 1361403, 1815204, 2420272, 2722806, 3630408, 5445612, 7260816, 10891224, 21782448]

約数ペア:

[(1, 21782448), (2, 10891224), (3, 7260816), (4, 5445612), (6, 3630408), (8, 2722806), (9, 2420272), (12, 1815204), (16, 1361403), (18, 1210136), (24, 907602), (36, 605068), (48, 453801), (72, 302534), (144, 151267), (331, 65808), (457, 47664), (662, 32904), (914, 23832), (993, 21936), (1324, 16452), (1371, 15888), (1828, 11916), (1986, 10968), (2648, 8226), (2742, 7944), (2979, 7312), (3656, 5958), (3972, 5484), (4113, 5296)]