21683736

素因数分解:

$2^3\times 3^2\times {\mathrm{457}}^1\times {\mathrm{659}}^1$

素因数の和:1128

約数の個数: 48

約数和(自身を含む): 58944600

約数和(自身を除く): 37260864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 457, 659, 914, 1318, 1371, 1828, 1977, 2636, 2742, 3656, 3954, 4113, 5272, 5484, 5931, 7908, 8226, 10968, 11862, 15816, 16452, 23724, 32904, 47448, 301163, 602326, 903489, 1204652, 1806978, 2409304, 2710467, 3613956, 5420934, 7227912, 10841868, 21683736]

約数ペア:

[(1, 21683736), (2, 10841868), (3, 7227912), (4, 5420934), (6, 3613956), (8, 2710467), (9, 2409304), (12, 1806978), (18, 1204652), (24, 903489), (36, 602326), (72, 301163), (457, 47448), (659, 32904), (914, 23724), (1318, 16452), (1371, 15816), (1828, 11862), (1977, 10968), (2636, 8226), (2742, 7908), (3656, 5931), (3954, 5484), (4113, 5272)]